diff --git a/README.md b/README.md
index b7428cc4..2cad8595 100644
--- a/README.md
+++ b/README.md
@@ -37,16 +37,16 @@ If you or your business relies on this package, it's important to support the de
   - [FineTuning Resource](#finetuning-resource)
   - [Moderations Resource](#moderations-resource)
   - [Images Resource](#images-resource)
-  - [Assistants Resource](#assistants-resource)
-  - [Threads Resource](#threads-resource)
-  - [Threads Messages Resource](#threads-messages-resource)
-  - [Threads Runs Resource](#threads-runs-resource)
-  - [Threads Runs Steps Resource](#threads-runs-steps-resource)
   - [Vector Stores Resource](#vector-stores-resource)
   - [Vector Stores Files Resource](#vector-store-files-resource)
   - [Vector Stores File Batches Resource](#vector-store-file-batches-resource)
   - [Batches Resource](#batches-resource)
   - [Realtime Ephemeral Keys](#realtime-ephemeral-keys)
+  - [Assistants Resource (deprecated)](#assistants-resource-deprecated)
+  - [Thread Resource (deprecated)](#threads-resource-deprecated)
+  - [Thread Messages Resource (deprecated)](#threads-messages-resource-deprecated)
+  - [Thread Runs Resource (deprecated)](#threads-runs-resource-deprecated)
+  - [Thread Runs Steps Resource (deprecated)](#threads-runs-steps-resource-deprecated)
   - [FineTunes Resource (deprecated)](#finetunes-resource-deprecated)
   - [Edits Resource (deprecated)](#edits-resource-deprecated)
 - [Meta Information](#meta-information)
@@ -1049,646 +1049,686 @@ foreach ($response->data as $data) {
 $response->toArray(); // ['created' => 1589478378, data => ['url' => 'https://oaidalleapiprodscus...', ...]]
 ```
 
-### `Assistants` Resource
-
-> **Note:** If you are creating the client manually from the factory. Make sure you provide the necessary header:
-> ```php
-> $factory->withHttpHeader('OpenAI-Beta', 'assistants=v2')
-> ```
+### `Batches` Resource
 
 #### `create`
 
-Create an assistant with a model and instructions.
+Creates a batch.
 
 ```php
-$response = $client->assistants()->create([
-    'instructions' => 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.',
-    'name' => 'Math Tutor',
-    'tools' => [
-        [
-            'type' => 'code_interpreter',
-        ],
-    ],
-    'model' => 'gpt-4o',
-]);
-
-$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->object; // 'assistant'
-$response->createdAt; // 1623936000
-$response->name; // 'Math Tutor'
-$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
-$response->model; // 'gpt-4o'
-$response->description; // null
-$response->tools[0]->type; // 'code_interpreter'
-$response->toolResources; // []
-$response->metadata; // []
-$response->temperature: // null
-$response->topP: // null
-$response->format: // 'auto'
-
-$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
-```
 
-#### `retrieve`
+$fileResponse = $client->files()->upload(
+     parameters: [
+          'purpose' => 'batch',
+          'file' => fopen('commands.jsonl', 'r'),
+    ]
+);
 
-Retrieves an assistant.
+$fileId = $fileResponse->id;
 
-```php
-$response = $client->assistants()->retrieve('asst_gxzBkD1wkKEloYqZ410pT5pd');
+$response = $client->batches()->create(
+    parameters: [
+        'input_file_id' => $fileId,
+        'endpoint' => '/v1/chat/completions',
+        'completion_window' => '24h'
+    ]
+ );
 
-$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->object; // 'assistant'
-$response->createdAt; // 1623936000
-$response->name; // 'Math Tutor'
-$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
-$response->model; // 'gpt-4o'
-$response->description; // null
-$response->tools[0]->type; // 'code_interpreter'
-$response->toolResources; // []
-$response->metadata; // []
-$response->temperature: // null
-$response->topP: // null
-$response->format: // 'auto'
+$response->id; // 'batch_abc123'
+$response->object; // 'batch'
+$response->endpoint; // /v1/chat/completions
+$response->errors; // null
+$response->completionWindow; // '24h'
+$response->status; // 'validating'
+$response->outputFileId; // null
+$response->errorFileId; // null
+$response->createdAt; // 1714508499
+$response->inProgressAt; // null
+$response->expiresAt; // 1714536634
+$response->completedAt; // null
+$response->failedAt; // null
+$response->expiredAt; // null
+$response->requestCounts; // null
+$response->metadata; // ['name' => 'My batch name']
 
-$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
+$response->toArray(); // ['id' => 'batch_abc123', ...]
 ```
 
-#### `modify`
+#### `retrieve`
 
-Modifies an assistant.
+Retrieves a batch.
 
 ```php
-$response = $client->assistants()->modify('asst_gxzBkD1wkKEloYqZ410pT5pd', [
-        'name' => 'New Math Tutor',
-    ]);
+$response = $client->batches()->retrieve(id: 'batch_abc123');
 
-$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->object; // 'assistant'
-$response->createdAt; // 1623936000
-$response->name; // 'New Math Tutor'
-$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
-$response->model; // 'gpt-4o'
-$response->description; // null
-$response->tools[0]->type; // 'code_interpreter'
-$response->toolResources; // []
-$response->metadata; // []
-$response->temperature: // null
-$response->topP: // null
-$response->format: // 'auto'
+$response->id; // 'batch_abc123'
+$response->object; // 'batch'
+$response->endpoint; // /v1/chat/completions
+$response->errors; // null
+$response->completionWindow; // '24h'
+$response->status; // 'validating'
+$response->outputFileId; // null
+$response->errorFileId; // null
+$response->createdAt; // 1714508499
+$response->inProgressAt; // null
+$response->expiresAt; // 1714536634
+$response->completedAt; // null
+$response->failedAt; // null
+$response->expiredAt; // null
+$response->requestCounts->total; // 100
+$response->requestCounts->completed; // 95
+$response->requestCounts->failed; // 5
+$response->metadata; // ['name' => 'My batch name']
 
-$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
+$response->toArray(); // ['id' => 'batch_abc123', ...]
 ```
 
-#### `delete`
+#### `cancel`
 
-Delete an assistant.
+Cancels a batch.
 
 ```php
-$response = $client->assistants()->delete('asst_gxzBkD1wkKEloYqZ410pT5pd');
+$response = $client->batches()->cancel(id: 'batch_abc123');
 
-$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->object; // 'assistant.deleted'
-$response->deleted; // true
+$response->id; // 'batch_abc123'
+$response->object; // 'batch'
+$response->endpoint; // /v1/chat/completions
+$response->errors; // null
+$response->completionWindow; // '24h'
+$response->status; // 'cancelling'
+$response->outputFileId; // null
+$response->errorFileId; // null
+$response->createdAt; // 1711471533
+$response->inProgressAt; // 1711471538
+$response->expiresAt; // 1711557933
+$response->cancellingAt; // 1711475133
+$response->cancelledAt; // null
+$response->requestCounts->total; // 100
+$response->requestCounts->completed; // 23
+$response->requestCounts->failed; // 1
+$response->metadata; // ['name' => 'My batch name']
 
-$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
+$response->toArray(); // ['id' => 'batch_abc123', ...]
 ```
 
 #### `list`
 
-Returns a list of assistants.
+Returns a list of batches.
 
 ```php
-$response = $client->assistants()->list([
-    'limit' => 10,
-]);
+$response = $client->batches()->list(
+    parameters: [
+        'limit' => 10, 
+    ],
+);
 
 $response->object; // 'list'
-$response->firstId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->lastId; // 'asst_reHHtAM0jKLDIxanM6gP6DaR'
+$response->firstId; // 'batch_abc123'
+$response->lastId; // 'batch_abc456'
 $response->hasMore; // true
 
 foreach ($response->data as $result) {
-    $result->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+    $result->id; // 'batch_abc123'
     // ...
 }
 
 $response->toArray(); // ['object' => 'list', ...]]
 ```
 
-### `Threads` Resource
+### `Vector Stores` Resource
 
 #### `create`
 
-Create a thread.
-
-```php
-$response = $client->threads()->create([]);
-
-$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->object; // 'thread'
-$response->createdAt; // 1623936000
-$response->toolResources; // null
-$response->metadata; // []
-
-$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
-```
-
-#### `createAndRun`
-
-Create a thread and run it in one request.
+Create a vector store.
 
 ```php
-$response = $client->threads()->createAndRun(
-    [
-        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
-        'thread' => [
-            'messages' =>
-                [
-                    [
-                        'role' => 'user',
-                        'content' => 'Explain deep learning to a 5 year old.',
-                    ],
-                ],
-        ],
+$response = $client->vectorStores()->create([
+    'file_ids' => [
+        'file-fUU0hFRuQ1GzhOweTNeJlCXG',
     ],
-);
+    'name' => 'My first Vector Store',
+]);
 
-$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->object; // 'thread.run'
-$response->createdAt; // 1623936000
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'queued'
-$response->requiredAction; // null
-$response->lastError; // null
-$response->startedAt; // null
-$response->expiresAt; // 1699622335
-$response->cancelledAt; // null
-$response->failedAt; // null
-$response->completedAt; // null
-$response->incompleteDetails; // null
-$response->lastError; // null
-$response->model; // 'gpt-4o'
-$response->instructions; // null
-$response->tools; // []
-$response->metadata; // []
-$response->usage->total_tokens; // 579
-$response->temperature; // null
-$response->topP; // null
-$response->maxPromptTokens; // 1000
-$response->maxCompletionTokens; // 1000
-$response->truncationStrategy->type; // 'auto'
-$response->responseFormat; // 'auto'
-$response->toolChoice; // 'auto'
+$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->object; // 'vector_store'
+$response->createdAt; // 1717703267
+$response->name; // 'My first Vector Store'
+$response->usageBytes; // 0
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
+$response->status; // 'in_progress'
+$response->expiresAfter; // null
+$response->expiresAt; // null
+$response->lastActiveAt; // 1717703267
 
-$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
+$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
 ```
 
 #### `retrieve`
 
-Retrieves a thread.
+Retrieves a vector store.
 
 ```php
-$response = $client->threads()->retrieve('thread_tKFLqzRN9n7MnyKKvc1Q7868');
+$response = $client->vectorStores()->retrieve(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+);
 
-$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->object; // 'thread'
-$response->createdAt; // 1623936000
-$response->toolResources; // null
-$response->metadata; // []
+$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->object; // 'vector_store'
+$response->createdAt; // 1717703267
+$response->name; // 'My first Vector Store'
+$response->usageBytes; // 0
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
+$response->status; // 'in_progress'
+$response->expiresAfter; // null
+$response->expiresAt; // null
+$response->lastActiveAt; // 1717703267
 
-$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
+$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
 ```
 
 #### `modify`
 
-Modifies a thread.
+Modifies a vector store.
 
 ```php
-$response = $client->threads()->modify('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
-        'metadata' => [
-            'name' => 'My new thread name',
-        ],
-    ]);
+$response = $client->vectorStores()->modify(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    parameters:  [
+        'name' => 'New name',
+    ],
+);
 
-$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->object; // 'thread'
-$response->createdAt; // 1623936000
-$response->toolResources; // null
-$response->metadata; // ['name' => 'My new thread name']
+$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->object; // 'vector_store'
+$response->createdAt; // 1717703267
+$response->name; // 'New name'
+$response->usageBytes; // 0
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
+$response->status; // 'in_progress'
+$response->expiresAfter; // null
+$response->expiresAt; // null
+$response->lastActiveAt; // 1717703267
 
-$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
+$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
 ```
 
 #### `delete`
 
-Delete a thread.
+Delete a vector store.
 
 ```php
-$response = $client->threads()->delete('thread_tKFLqzRN9n7MnyKKvc1Q7868');
+$response = $client->vectorStores()->delete(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+);
 
-$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->object; // 'thread.deleted'
+$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->object; // 'vector_store.deleted'
 $response->deleted; // true
 
-$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
+$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
 ```
 
-### `Threads Messages` Resource
-
-#### `create`
+#### `list`
 
-Create a message.
+Returns a list of vector stores.
 
 ```php
-$response = $client->threads()->messages()->create('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
-    'role' => 'user',
-    'content' => 'What is the sum of 5 and 7?',
-]);
+$response = $client->vectorStores()->list(
+    parameters: [
+        'limit' => 10,
+    ],
+);
 
-$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->object; // 'thread.message'
-$response->createdAt; // 1623936000
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'in_progress
-$response->incompleteDetails; // null
-$response->completedAt; // null
-$response->incompleteAt; // null
-$response->role; // 'user'
-$response->content[0]->type; // 'text'
-$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
-$response->content[0]->text->annotations; // []
-$response->assistantId; // null
-$response->runId; // null
-$response->attachments; // []
-$response->metadata; // []
+$response->object; // 'list'
+$response->firstId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->lastId; // 'vs_D5DPOgBxSoEBTmYBgUESdPpa'
+$response->hasMore; // true
 
-$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
+foreach ($response->data as $result) {
+    $result->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+    // ...
+}
+
+$response->toArray(); // ['object' => 'list', ...]]
 ```
 
-#### `retrieve`
+### `Vector Store Files` Resource
 
-Retrieve a message.
+#### `create`
+
+Create a vector store file by attaching a File to a vector store.
 
 ```php
-$response = $client->threads()->messages()->retrieve(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU',
+$response = $client->vectorStores()->files()->create(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    parameters: [
+        'file_id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
+    ]
 );
 
-$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->object; // 'thread.message'
-$response->createdAt; // 1623936000
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'in_progress
-$response->incompleteDetails; // null
-$response->completedAt; // null
-$response->incompleteAt; // null
-$response->role; // 'user'
-$response->content[0]->type; // 'text'
-$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
-$response->content[0]->text->annotations; // []
-$response->assistantId; // null
-$response->runId; // null
-$response->attachments; // []
-$response->metadata; // []
+$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+$response->object; // 'vector_store.file'
+$response->usageBytes; // 4553
+$response->createdAt; // 1717703267
+$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->status; // 'completed'
+$response->lastError; // null
+$response->chunkingStrategy->type; // 'static'
+$response->chunkingStrategy->maxChunkSizeTokens; // 800
+$response->chunkingStrategy->chunkOverlapTokens; // 400
 
-$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
+$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
 ```
 
-#### `modify`
+#### `retrieve`
 
-Modifies a message.
+Retrieves a vector store file.
 
 ```php
-$response = $client->threads()->messages()->modify(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU',
-    parameters:  [
-        'metadata' => [
-            'name' => 'My new message name',
-        ],
-    ],
+$response = $client->vectorStores()->files()->retrieve(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    fileId: 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
 );
 
-$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->object; // 'thread.message'
-$response->createdAt; // 1623936000
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'in_progress
-$response->incompleteDetails; // null
-$response->completedAt; // null
-$response->incompleteAt; // null
-$response->role; // 'user'
-$response->content[0]->type; // 'text'
-$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
-$response->content[0]->text->annotations; // []
-$response->assistantId; // null
-$response->runId; // null
-$response->attachments; // []
-$response->metadata; // ['name' => 'My new message name']
+$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+$response->object; // 'vector_store.file'
+$response->usageBytes; // 4553
+$response->createdAt; // 1717703267
+$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->status; // 'completed'
+$response->lastError; // null
+$response->chunkingStrategy->type; // 'static'
+$response->chunkingStrategy->maxChunkSizeTokens; // 800
+$response->chunkingStrategy->chunkOverlapTokens; // 400
 
-$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
+$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
 ```
 
 #### `delete`
 
-Deletes a message.
+Delete a vector store file. This will remove the file from the vector store but the file itself will not be deleted. To delete the file, use the delete file endpoint.
 
 ```php
-$response = $client->threads()->messages()->delete(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response = $client->vectorStores()->files()->delete(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    fileId: 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
 );
 
-$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->object; // 'thread.message.deleted'
+$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+$response->object; // 'vector_store.file.deleted'
 $response->deleted; // true
 
-$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
+$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
 ```
 
 #### `list`
 
-Returns a list of messages for a given thread.
+Returns a list of vector store files.
 
 ```php
-$response = $client->threads()->messages()->list('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
-    'limit' => 10,
-]);
+$response = $client->vectorStores()->files()->list(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    parameters: [
+        'limit' => 10,
+    ],
+);
 
 $response->object; // 'list'
-$response->firstId; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->lastId; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
-$response->hasMore; // false
+$response->firstId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+$response->lastId; // 'file-D5DPOgBxSoEBTmYBgUESdPpa'
+$response->hasMore; // true
 
 foreach ($response->data as $result) {
-    $result->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+    $result->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
     // ...
 }
 
 $response->toArray(); // ['object' => 'list', ...]]
 ```
 
-### `Threads Runs` Resource
-
-#### `create`
+#### `search`
 
-Create a run.
+Search a vector store for relevant chunks based on a query and file attributes filter.
 
 ```php
-$response = $client->threads()->runs()->create(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868', 
+$response = $client->vectorStores()->search(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
     parameters: [
-        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
-    ],
+        'query' => 'What is the return policy?',
+        'max_num_results' => 5,
+        'filters' => [],
+        'rewrite_query' => false
+    ]
 );
 
-$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->object; // 'thread.run'
-$response->createdAt; // 1623936000
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'queued'
-$response->startedAt; // null
-$response->expiresAt; // 1699622335
-$response->cancelledAt; // null
-$response->failedAt; // null
-$response->completedAt; // null
-$response->incompleteDetails; // null
-$response->lastError; // null
-$response->model; // 'gpt-4o'
-$response->instructions; // null
-$response->tools; // []
-$response->metadata; // []
-$response->usage->total_tokens; // 579
-$response->temperature; // null
-$response->topP; // null
-$response->maxPromptTokens; // 1000
-$response->maxCompletionTokens; // 1000
-$response->truncationStrategy->type; // 'auto'
-$response->toolChoice; // 'auto'
-$response->responseFormat; // 'auto'
+$response->object; // 'vector_store.search_results.page'
+$response->searchQuery; // 'What is the return policy?'
+$response->hasMore; // false
+$response->nextPage; // null
+foreach ($response->data as $file) {
+    $result->fileId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+    $result->filename; // 'return_policy.pdf'
+    $result->score; // 0.95
+    $result->attributes; // ['category' => 'customer_service']
 
-$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
+    foreach ($result->content as $content) {
+        $content->type; // 'text'
+        $content->text; // 'Our return policy allows customers to return items within 30 days...'
+    }
+}
+
+$response->toArray(); // ['object' => 'vector_store.search_results.page', ...]
 ```
 
-#### `create streamed`
+### `Vector Store File Batches` Resource
 
-Creates a streamed run.
+#### `create`
 
-[OpenAI Assistant Events](https://platform.openai.com/docs/api-reference/assistants-streaming/events)
+Create a vector store file batch.
 
 ```php
-$stream = $client->threads()->runs()->createStreamed(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+$response = $client->vectorStores()->batches()->create(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
     parameters: [
-        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
-    ],
+        'file_ids' => [
+            'file-fUU0hFRuQ1GzhOweTNeJlCXG',
+        ],
+    ]
 );
 
-foreach($stream as $response){
-    $response->event // 'thread.run.created' | 'thread.run.in_progress' | .....
-    $response->response // ThreadResponse | ThreadRunResponse | ThreadRunStepResponse | ThreadRunStepDeltaResponse | ThreadMessageResponse | ThreadMessageDeltaResponse
-}
+$response->id; // 'vsfb_123'
+$response->object; // 'vector_store.files_batch'
+$response->createdAt; // 1698107661
+$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->status; // 'completed'
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
 
-// ...
+$response->toArray(); // ['id' => 'vsfb_123', ...]
 ```
 
-#### `create streamed with function calls`
+#### `retrieve`
 
-Creates a streamed run with function calls
+Retrieves a vector store file batch.
 
-[OpenAI Assistant Events](https://platform.openai.com/docs/api-reference/assistants-streaming/events)
+```php
+$response = $client->vectorStores()->batches()->retrieve(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    fileBatchId: 'vsfb_123',
+);
+
+$response->id; // 'vsfb_123'
+$response->object; // 'vector_store.files_batch'
+$response->createdAt; // 1698107661
+$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->status; // 'completed'
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
+
+$response->toArray(); // ['id' => 'vsfb_123', ...]
+```
+
+#### `cancel`
+
+Cancel a vector store file batch. This attempts to cancel the processing of files in this batch as soon as possible.
 
 ```php
-$stream = $client->threads()->runs()->createStreamed(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+$response = $client->vectorStores()->batches()->cancel(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    fileBatchId: 'vsfb_123',
+);
+
+$response->id; // 'vsfb_123'
+$response->object; // 'vector_store.files_batch'
+$response->createdAt; // 1698107661
+$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->status; // 'cancelling'
+$response->fileCounts->inProgress; // 1
+$response->fileCounts->completed; // 0
+$response->fileCounts->failed; // 0
+$response->fileCounts->cancelled; // 0
+$response->fileCounts->total; // 1
+
+$response->toArray(); // ['id' => 'vsfb_123', ...]
+```
+
+#### `list`
+
+Returns a list of vector store files.
+
+```php
+$response = $client->vectorStores()->batches()->listFiles(
+    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+    fileBatchId: 'vsfb_123',
     parameters: [
-        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
+        'limit' => 10,
     ],
 );
 
+$response->object; // 'list'
+$response->firstId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+$response->lastId; // 'file-D5DPOgBxSoEBTmYBgUESdPpa'
+$response->hasMore; // true
 
-do{
-    foreach($stream as $response){
-        $response->event // 'thread.run.created' | 'thread.run.in_progress' | .....
-        $response->response // ThreadResponse | ThreadRunResponse | ThreadRunStepResponse | ThreadRunStepDeltaResponse | ThreadMessageResponse | ThreadMessageDeltaResponse
+foreach ($response->data as $result) {
+    $result->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+    // ...
+}
 
-        switch($response->event){
-            case 'thread.run.created':
-            case 'thread.run.queued':
-            case 'thread.run.completed':
-            case 'thread.run.cancelling':
-                $run = $response->response;
-                break;
-            case 'thread.run.expired':
-            case 'thread.run.cancelled':
-            case 'thread.run.failed':
-                $run = $response->response;
-                break 3;
-            case 'thread.run.requires_action':
-                // Overwrite the stream with the new stream started by submitting the tool outputs
-                $stream = $client->threads()->runs()->submitToolOutputsStreamed(
-                    threadId: $run->threadId,
-                    runId: $run->id,
-                    parameters: [
-                        'tool_outputs' => [
-                            [
-                                'tool_call_id' => 'call_KSg14X7kZF2WDzlPhpQ168Mj',
-                                'output' => '12',
-                            ]
-                        ],
-                    ]
-                );
-                break;
-        }
-    }
-} while ($run->status != "completed")
+$response->toArray(); // ['object' => 'list', ...]]
+```
 
-// ...
+### Realtime Ephemeral Keys
+
+#### `token`
+
+Create an ephemeral API token for real time sessions.
+
+```php
+$response = $client->realtime()->token();
+
+$response->clientSecret->value // 'ek-1234567890abcdefg'
+$response->clientSecret->expiresAt // 1717703267
+```
+
+#### `transcribeToken`
+
+Create an ephemeral API token for real time transcription sessions.
+
+```php
+$response = $client->realtime()->transcribeToken();
+
+$response->clientSecret->value // 'et-1234567890abcdefg'
+$response->clientSecret->expiresAt // 1717703267
+```
+
+### `Assistants` Resource (deprecated)
+
+> [!WARNING]
+> OpenAI has deprecated the Assistants API and will stop working by first half of 2026. https://platform.openai.com/docs/guides/responses-vs-chat-completions#assistants
+
+> [!NOTE]
+> If you are creating the client manually from the factory. Make sure you provide the necessary header:
+> ```php
+> $factory->withHttpHeader('OpenAI-Beta', 'assistants=v2')
+> ```
+
+#### `create`
+
+Create an assistant with a model and instructions.
+
+```php
+$response = $client->assistants()->create([
+    'instructions' => 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.',
+    'name' => 'Math Tutor',
+    'tools' => [
+        [
+            'type' => 'code_interpreter',
+        ],
+    ],
+    'model' => 'gpt-4o',
+]);
+
+$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->object; // 'assistant'
+$response->createdAt; // 1623936000
+$response->name; // 'Math Tutor'
+$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
+$response->model; // 'gpt-4o'
+$response->description; // null
+$response->tools[0]->type; // 'code_interpreter'
+$response->toolResources; // []
+$response->metadata; // []
+$response->temperature: // null
+$response->topP: // null
+$response->format: // 'auto'
+
+$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
 ```
 
 #### `retrieve`
 
-Retrieves a run.
+Retrieves an assistant.
 
 ```php
-$response = $client->threads()->runs()->retrieve(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-);
+$response = $client->assistants()->retrieve('asst_gxzBkD1wkKEloYqZ410pT5pd');
 
-$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->object; // 'thread.run'
+$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->object; // 'assistant'
 $response->createdAt; // 1623936000
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'queued'
-$response->startedAt; // null
-$response->expiresAt; // 1699622335
-$response->cancelledAt; // null
-$response->failedAt; // null
-$response->completedAt; // null
-$response->incompleteDetails; // null
-$response->lastError; // null
+$response->name; // 'Math Tutor'
+$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
 $response->model; // 'gpt-4o'
-$response->instructions; // null
-$response->tools; // []
+$response->description; // null
+$response->tools[0]->type; // 'code_interpreter'
+$response->toolResources; // []
 $response->metadata; // []
-$response->usage->promptTokens; // 25,
-$response->usage->completionTokens; // 32,
-$response->usage->totalTokens; // 57
-$response->temperature; // null
-$response->topP; // null
-$response->maxPromptTokens; // 1000
-$response->maxCompletionTokens; // 1000
-$response->truncationStrategy->type; // 'auto'
-$response->toolChoice; // 'auto'
-$response->responseFormat; // 'auto'
+$response->temperature: // null
+$response->topP: // null
+$response->format: // 'auto'
 
-$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
+$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
 ```
 
 #### `modify`
 
-Modifies a run.
+Modifies an assistant.
 
 ```php
-$response = $client->threads()->runs()->modify(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-    parameters:  [
-        'metadata' => [
-            'name' => 'My new run name',
-        ],
-    ],
-);
+$response = $client->assistants()->modify('asst_gxzBkD1wkKEloYqZ410pT5pd', [
+        'name' => 'New Math Tutor',
+    ]);
 
-$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->object; // 'thread.run'
+$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->object; // 'assistant'
 $response->createdAt; // 1623936000
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'queued'
-$response->startedAt; // null
-$response->expiresAt; // 1699622335
-$response->cancelledAt; // null
-$response->failedAt; // null
-$response->completedAt; // null
-$response->incompleteDetails; // null
-$response->lastError; // null
+$response->name; // 'New Math Tutor'
+$response->instructions; // 'You are a personal math tutor. When asked a question, write and run Python code to answer the question.'
 $response->model; // 'gpt-4o'
-$response->instructions; // null
-$response->tools; // []
-$response->usage->total_tokens; // 579
-$response->temperature; // null
-$response->topP; // null
-$response->maxPromptTokens; // 1000
-$response->maxCompletionTokens; // 1000
-$response->truncationStrategy->type; // 'auto'
-$response->toolChoice; // 'auto'
-$response->responseFormat; // 'auto'
-$response->metadata; // ['name' => 'My new run name']
+$response->description; // null
+$response->tools[0]->type; // 'code_interpreter'
+$response->toolResources; // []
+$response->metadata; // []
+$response->temperature: // null
+$response->topP: // null
+$response->format: // 'auto'
 
-$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
+$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
 ```
 
-#### `cancel`
+#### `delete`
 
-Cancels a run that is `in_progress`.
+Delete an assistant.
 
 ```php
-$response = $client->threads()->runs()->cancel(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-);
+$response = $client->assistants()->delete('asst_gxzBkD1wkKEloYqZ410pT5pd');
 
-$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->object; // 'thread.run'
+$response->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->object; // 'assistant.deleted'
+$response->deleted; // true
+
+$response->toArray(); // ['id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd', ...]
+```
+
+#### `list`
+
+Returns a list of assistants.
+
+```php
+$response = $client->assistants()->list([
+    'limit' => 10,
+]);
+
+$response->object; // 'list'
+$response->firstId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->lastId; // 'asst_reHHtAM0jKLDIxanM6gP6DaR'
+$response->hasMore; // true
+
+foreach ($response->data as $result) {
+    $result->id; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+    // ...
+}
+
+$response->toArray(); // ['object' => 'list', ...]]
+```
+
+### `Threads` Resource (deprecated)
+
+> [!WARNING]
+> OpenAI has deprecated the Assistants API and will stop working by first half of 2026. https://platform.openai.com/docs/guides/responses-vs-chat-completions#assistants
+
+#### `create`
+
+Create a thread.
+
+```php
+$response = $client->threads()->create([]);
+
+$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->object; // 'thread'
 $response->createdAt; // 1623936000
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'cancelling'
-$response->startedAt; // null
-$response->expiresAt; // 1699622335
-$response->cancelledAt; // null
-$response->failedAt; // null
-$response->completedAt; // null
-$response->incompleteDetails; // null
-$response->lastError; // null
-$response->model; // 'gpt-4o'
-$response->instructions; // null
-$response->tools; // []
-$response->usage?->total_tokens; // 579
-$response->temperature; // null
-$response->topP; // null
-$response->maxPromptTokens; // 1000
-$response->maxCompletionTokens; // 1000
-$response->truncationStrategy->type; // 'auto'
-$response->toolChoice; // 'auto'
-$response->responseFormat; // 'auto'
+$response->toolResources; // null
 $response->metadata; // []
 
-$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
+$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
 ```
 
-#### `submitToolOutputs`
+#### `createAndRun`
 
-When a run has the status: `requires_action` and `required_action.type` is `submit_tool_outputs`, this endpoint can be used to submit the outputs from the tool calls once they're all completed. All outputs must be submitted in a single request.
+Create a thread and run it in one request.
 
 ```php
-$response = $client->threads()->runs()->submitToolOutputs(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-    parameters: [
-        'tool_outputs' => [
-            [
-                'tool_call_id' => 'call_KSg14X7kZF2WDzlPhpQ168Mj',
-                'output' => '12',
-            ],
+$response = $client->threads()->createAndRun(
+    [
+        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
+        'thread' => [
+            'messages' =>
+                [
+                    [
+                        'role' => 'user',
+                        'content' => 'Explain deep learning to a 5 year old.',
+                    ],
+                ],
         ],
-    ]
+    ],
 );
 
 $response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
@@ -1696,7 +1736,9 @@ $response->object; // 'thread.run'
 $response->createdAt; // 1623936000
 $response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
 $response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->status; // 'in_progress'
+$response->status; // 'queued'
+$response->requiredAction; // null
+$response->lastError; // null
 $response->startedAt; // null
 $response->expiresAt; // 1699622335
 $response->cancelledAt; // null
@@ -1706,6 +1748,8 @@ $response->incompleteDetails; // null
 $response->lastError; // null
 $response->model; // 'gpt-4o'
 $response->instructions; // null
+$response->tools; // []
+$response->metadata; // []
 $response->usage->total_tokens; // 579
 $response->temperature; // null
 $response->topP; // null
@@ -1713,607 +1757,579 @@ $response->maxPromptTokens; // 1000
 $response->maxCompletionTokens; // 1000
 $response->truncationStrategy->type; // 'auto'
 $response->responseFormat; // 'auto'
-$response->tools[0]->type; // 'function'
 $response->toolChoice; // 'auto'
-$response->metadata; // []
 
 $response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `list`
-
-Returns a list of runs belonging to a thread.
-
-```php
-$response = $client->threads()->runs()->list(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    parameters: [
-        'limit' => 10,
-    ],
-);
-
-$response->object; // 'list'
-$response->firstId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->lastId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->hasMore; // false
-
-foreach ($response->data as $result) {
-    $result->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-    // ...
-}
-
-$response->toArray(); // ['object' => 'list', ...]]
-```
-
-### `Threads Runs Steps` Resource
-
 #### `retrieve`
 
-Retrieves a run step.
+Retrieves a thread.
 
 ```php
-$response = $client->threads()->runs()->steps()->retrieve(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-    stepId: 'step_1spQXgbAabXFm1YXrwiGIMUz',
-);
+$response = $client->threads()->retrieve('thread_tKFLqzRN9n7MnyKKvc1Q7868');
 
-$response->id; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
-$response->object; // 'thread.run.step'
-$response->createdAt; // 1699564106
-$response->runId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
-$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
-$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
-$response->type; // 'message_creation'
-$response->status; // 'completed'
-$response->cancelledAt; // null
-$response->completedAt; // 1699564119
-$response->expiresAt; // null
-$response->failedAt; // null
-$response->lastError; // null
-$response->stepDetails->type; // 'message_creation'
-$response->stepDetails->messageCreation->messageId; // 'msg_i404PxKbB92d0JAmdOIcX7vA'
+$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->object; // 'thread'
+$response->createdAt; // 1623936000
+$response->toolResources; // null
+$response->metadata; // []
 
-$response->toArray(); // ['id' => 'step_1spQXgbAabXFm1YXrwiGIMUz', ...]
+$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
 ```
 
-#### `list`
+#### `modify`
 
-Returns a list of run steps belonging to a run.
+Modifies a thread.
 
 ```php
-$response = $client->threads()->runs()->steps()->list(
-    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
-    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
-    parameters: [
-        'limit' => 10,
-    ],
-);
-
-$response->object; // 'list'
-$response->firstId; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
-$response->lastId; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
-$response->hasMore; // false
+$response = $client->threads()->modify('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
+        'metadata' => [
+            'name' => 'My new thread name',
+        ],
+    ]);
 
-foreach ($response->data as $result) {
-    $result->id; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
-    // ...
-}
+$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->object; // 'thread'
+$response->createdAt; // 1623936000
+$response->toolResources; // null
+$response->metadata; // ['name' => 'My new thread name']
 
-$response->toArray(); // ['object' => 'list', ...]]
+$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
 ```
 
-### `Batches` Resource
-
-#### `create`
+#### `delete`
 
-Creates a batch.
+Delete a thread.
 
 ```php
+$response = $client->threads()->delete('thread_tKFLqzRN9n7MnyKKvc1Q7868');
 
-$fileResponse = $client->files()->upload(
-     parameters: [
-          'purpose' => 'batch',
-          'file' => fopen('commands.jsonl', 'r'),
-    ]
-);
-
-$fileId = $fileResponse->id;
+$response->id; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->object; // 'thread.deleted'
+$response->deleted; // true
 
-$response = $client->batches()->create(
-    parameters: [
-        'input_file_id' => $fileId,
-        'endpoint' => '/v1/chat/completions',
-        'completion_window' => '24h'
-    ]
- );
+$response->toArray(); // ['id' => 'thread_tKFLqzRN9n7MnyKKvc1Q7868', ...]
+```
 
-$response->id; // 'batch_abc123'
-$response->object; // 'batch'
-$response->endpoint; // /v1/chat/completions
-$response->errors; // null
-$response->completionWindow; // '24h'
-$response->status; // 'validating'
-$response->outputFileId; // null
-$response->errorFileId; // null
-$response->createdAt; // 1714508499
-$response->inProgressAt; // null
-$response->expiresAt; // 1714536634
-$response->completedAt; // null
-$response->failedAt; // null
-$response->expiredAt; // null
-$response->requestCounts; // null
-$response->metadata; // ['name' => 'My batch name']
+### `Thread Messages` Resource (deprecated)
 
-$response->toArray(); // ['id' => 'batch_abc123', ...]
-```
+> [!WARNING]
+> OpenAI has deprecated the Assistants API and will stop working by first half of 2026. https://platform.openai.com/docs/guides/responses-vs-chat-completions#assistants
 
-#### `retrieve`
+#### `create`
 
-Retrieves a batch.
+Create a message.
 
 ```php
-$response = $client->batches()->retrieve(id: 'batch_abc123');
+$response = $client->threads()->messages()->create('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
+    'role' => 'user',
+    'content' => 'What is the sum of 5 and 7?',
+]);
 
-$response->id; // 'batch_abc123'
-$response->object; // 'batch'
-$response->endpoint; // /v1/chat/completions
-$response->errors; // null
-$response->completionWindow; // '24h'
-$response->status; // 'validating'
-$response->outputFileId; // null
-$response->errorFileId; // null
-$response->createdAt; // 1714508499
-$response->inProgressAt; // null
-$response->expiresAt; // 1714536634
+$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->object; // 'thread.message'
+$response->createdAt; // 1623936000
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'in_progress
+$response->incompleteDetails; // null
 $response->completedAt; // null
-$response->failedAt; // null
-$response->expiredAt; // null
-$response->requestCounts->total; // 100
-$response->requestCounts->completed; // 95
-$response->requestCounts->failed; // 5
-$response->metadata; // ['name' => 'My batch name']
+$response->incompleteAt; // null
+$response->role; // 'user'
+$response->content[0]->type; // 'text'
+$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
+$response->content[0]->text->annotations; // []
+$response->assistantId; // null
+$response->runId; // null
+$response->attachments; // []
+$response->metadata; // []
 
-$response->toArray(); // ['id' => 'batch_abc123', ...]
+$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
 ```
 
-#### `cancel`
+#### `retrieve`
 
-Cancels a batch.
+Retrieve a message.
 
 ```php
-$response = $client->batches()->cancel(id: 'batch_abc123');
+$response = $client->threads()->messages()->retrieve(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU',
+);
 
-$response->id; // 'batch_abc123'
-$response->object; // 'batch'
-$response->endpoint; // /v1/chat/completions
-$response->errors; // null
-$response->completionWindow; // '24h'
-$response->status; // 'cancelling'
-$response->outputFileId; // null
-$response->errorFileId; // null
-$response->createdAt; // 1711471533
-$response->inProgressAt; // 1711471538
-$response->expiresAt; // 1711557933
-$response->cancellingAt; // 1711475133
-$response->cancelledAt; // null
-$response->requestCounts->total; // 100
-$response->requestCounts->completed; // 23
-$response->requestCounts->failed; // 1
-$response->metadata; // ['name' => 'My batch name']
+$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->object; // 'thread.message'
+$response->createdAt; // 1623936000
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'in_progress
+$response->incompleteDetails; // null
+$response->completedAt; // null
+$response->incompleteAt; // null
+$response->role; // 'user'
+$response->content[0]->type; // 'text'
+$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
+$response->content[0]->text->annotations; // []
+$response->assistantId; // null
+$response->runId; // null
+$response->attachments; // []
+$response->metadata; // []
 
-$response->toArray(); // ['id' => 'batch_abc123', ...]
+$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
 ```
 
-#### `list`
+#### `modify`
 
-Returns a list of batches.
+Modifies a message.
 
 ```php
-$response = $client->batches()->list(
-    parameters: [
-        'limit' => 10, 
+$response = $client->threads()->messages()->modify(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU',
+    parameters:  [
+        'metadata' => [
+            'name' => 'My new message name',
+        ],
     ],
 );
 
-$response->object; // 'list'
-$response->firstId; // 'batch_abc123'
-$response->lastId; // 'batch_abc456'
-$response->hasMore; // true
-
-foreach ($response->data as $result) {
-    $result->id; // 'batch_abc123'
-    // ...
-}
+$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->object; // 'thread.message'
+$response->createdAt; // 1623936000
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'in_progress
+$response->incompleteDetails; // null
+$response->completedAt; // null
+$response->incompleteAt; // null
+$response->role; // 'user'
+$response->content[0]->type; // 'text'
+$response->content[0]->text->value; // 'What is the sum of 5 and 7?'
+$response->content[0]->text->annotations; // []
+$response->assistantId; // null
+$response->runId; // null
+$response->attachments; // []
+$response->metadata; // ['name' => 'My new message name']
 
-$response->toArray(); // ['object' => 'list', ...]]
+$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
 ```
 
-### `Vector Stores` Resource
-
-#### `create`
+#### `delete`
 
-Create a vector store.
+Deletes a message.
 
 ```php
-$response = $client->vectorStores()->create([
-    'file_ids' => [
-        'file-fUU0hFRuQ1GzhOweTNeJlCXG',
-    ],
-    'name' => 'My first Vector Store',
-]);
+$response = $client->threads()->messages()->delete(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    messageId: 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+);
 
-$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->object; // 'vector_store'
-$response->createdAt; // 1717703267
-$response->name; // 'My first Vector Store'
-$response->usageBytes; // 0
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
-$response->status; // 'in_progress'
-$response->expiresAfter; // null
-$response->expiresAt; // null
-$response->lastActiveAt; // 1717703267
+$response->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->object; // 'thread.message.deleted'
+$response->deleted; // true
 
-$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
+$response->toArray(); // ['id' => 'msg_SKYwvF3zcigxthfn6F4hnpdU', ...]
 ```
 
-#### `retrieve`
+#### `list`
 
-Retrieves a vector store.
+Returns a list of messages for a given thread.
 
 ```php
-$response = $client->vectorStores()->retrieve(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-);
+$response = $client->threads()->messages()->list('thread_tKFLqzRN9n7MnyKKvc1Q7868', [
+    'limit' => 10,
+]);
+
+$response->object; // 'list'
+$response->firstId; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->lastId; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+$response->hasMore; // false
 
-$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->object; // 'vector_store'
-$response->createdAt; // 1717703267
-$response->name; // 'My first Vector Store'
-$response->usageBytes; // 0
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
-$response->status; // 'in_progress'
-$response->expiresAfter; // null
-$response->expiresAt; // null
-$response->lastActiveAt; // 1717703267
+foreach ($response->data as $result) {
+    $result->id; // 'msg_SKYwvF3zcigxthfn6F4hnpdU'
+    // ...
+}
 
-$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
+$response->toArray(); // ['object' => 'list', ...]]
 ```
 
-#### `modify`
+### `Thread Runs` Resource (deprecated)
 
-Modifies a vector store.
+> [!WARNING]
+> OpenAI has deprecated the Assistants API and will stop working by first half of 2026. https://platform.openai.com/docs/guides/responses-vs-chat-completions#assistants
+
+#### `create`
+
+Create a run.
 
 ```php
-$response = $client->vectorStores()->modify(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    parameters:  [
-        'name' => 'New name',
+$response = $client->threads()->runs()->create(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868', 
+    parameters: [
+        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
     ],
 );
 
-$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->object; // 'vector_store'
-$response->createdAt; // 1717703267
-$response->name; // 'New name'
-$response->usageBytes; // 0
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
-$response->status; // 'in_progress'
-$response->expiresAfter; // null
-$response->expiresAt; // null
-$response->lastActiveAt; // 1717703267
+$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->object; // 'thread.run'
+$response->createdAt; // 1623936000
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'queued'
+$response->startedAt; // null
+$response->expiresAt; // 1699622335
+$response->cancelledAt; // null
+$response->failedAt; // null
+$response->completedAt; // null
+$response->incompleteDetails; // null
+$response->lastError; // null
+$response->model; // 'gpt-4o'
+$response->instructions; // null
+$response->tools; // []
+$response->metadata; // []
+$response->usage->total_tokens; // 579
+$response->temperature; // null
+$response->topP; // null
+$response->maxPromptTokens; // 1000
+$response->maxCompletionTokens; // 1000
+$response->truncationStrategy->type; // 'auto'
+$response->toolChoice; // 'auto'
+$response->responseFormat; // 'auto'
 
-$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
+$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `delete`
+#### `create streamed`
 
-Delete a vector store.
+Creates a streamed run.
+
+[OpenAI Assistant Events](https://platform.openai.com/docs/api-reference/assistants-streaming/events)
 
 ```php
-$response = $client->vectorStores()->delete(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+$stream = $client->threads()->runs()->createStreamed(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    parameters: [
+        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
+    ],
 );
 
-$response->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->object; // 'vector_store.deleted'
-$response->deleted; // true
+foreach($stream as $response){
+    $response->event // 'thread.run.created' | 'thread.run.in_progress' | .....
+    $response->response // ThreadResponse | ThreadRunResponse | ThreadRunStepResponse | ThreadRunStepDeltaResponse | ThreadMessageResponse | ThreadMessageDeltaResponse
+}
 
-$response->toArray(); // ['id' => 'vs_vzfQhlTWVUl38QGqQAoQjeDF', ...]
+// ...
 ```
 
-#### `list`
+#### `create streamed with function calls`
 
-Returns a list of vector stores.
+Creates a streamed run with function calls
+
+[OpenAI Assistant Events](https://platform.openai.com/docs/api-reference/assistants-streaming/events)
 
 ```php
-$response = $client->vectorStores()->list(
+$stream = $client->threads()->runs()->createStreamed(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
     parameters: [
-        'limit' => 10,
+        'assistant_id' => 'asst_gxzBkD1wkKEloYqZ410pT5pd',
     ],
 );
 
-$response->object; // 'list'
-$response->firstId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->lastId; // 'vs_D5DPOgBxSoEBTmYBgUESdPpa'
-$response->hasMore; // true
 
-foreach ($response->data as $result) {
-    $result->id; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-    // ...
-}
+do{
+    foreach($stream as $response){
+        $response->event // 'thread.run.created' | 'thread.run.in_progress' | .....
+        $response->response // ThreadResponse | ThreadRunResponse | ThreadRunStepResponse | ThreadRunStepDeltaResponse | ThreadMessageResponse | ThreadMessageDeltaResponse
 
-$response->toArray(); // ['object' => 'list', ...]]
-```
+        switch($response->event){
+            case 'thread.run.created':
+            case 'thread.run.queued':
+            case 'thread.run.completed':
+            case 'thread.run.cancelling':
+                $run = $response->response;
+                break;
+            case 'thread.run.expired':
+            case 'thread.run.cancelled':
+            case 'thread.run.failed':
+                $run = $response->response;
+                break 3;
+            case 'thread.run.requires_action':
+                // Overwrite the stream with the new stream started by submitting the tool outputs
+                $stream = $client->threads()->runs()->submitToolOutputsStreamed(
+                    threadId: $run->threadId,
+                    runId: $run->id,
+                    parameters: [
+                        'tool_outputs' => [
+                            [
+                                'tool_call_id' => 'call_KSg14X7kZF2WDzlPhpQ168Mj',
+                                'output' => '12',
+                            ]
+                        ],
+                    ]
+                );
+                break;
+        }
+    }
+} while ($run->status != "completed")
 
-### `Vector Store Files` Resource
+// ...
+```
 
-#### `create`
+#### `retrieve`
 
-Create a vector store file by attaching a File to a vector store.
+Retrieves a run.
 
 ```php
-$response = $client->vectorStores()->files()->create(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    parameters: [
-        'file_id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
-    ]
+$response = $client->threads()->runs()->retrieve(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
 );
 
-$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-$response->object; // 'vector_store.file'
-$response->usageBytes; // 4553
-$response->createdAt; // 1717703267
-$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->status; // 'completed'
+$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->object; // 'thread.run'
+$response->createdAt; // 1623936000
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'queued'
+$response->startedAt; // null
+$response->expiresAt; // 1699622335
+$response->cancelledAt; // null
+$response->failedAt; // null
+$response->completedAt; // null
+$response->incompleteDetails; // null
 $response->lastError; // null
-$response->chunkingStrategy->type; // 'static'
-$response->chunkingStrategy->maxChunkSizeTokens; // 800
-$response->chunkingStrategy->chunkOverlapTokens; // 400
+$response->model; // 'gpt-4o'
+$response->instructions; // null
+$response->tools; // []
+$response->metadata; // []
+$response->usage->promptTokens; // 25,
+$response->usage->completionTokens; // 32,
+$response->usage->totalTokens; // 57
+$response->temperature; // null
+$response->topP; // null
+$response->maxPromptTokens; // 1000
+$response->maxCompletionTokens; // 1000
+$response->truncationStrategy->type; // 'auto'
+$response->toolChoice; // 'auto'
+$response->responseFormat; // 'auto'
 
-$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
+$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `retrieve`
+#### `modify`
 
-Retrieves a vector store file.
+Modifies a run.
 
 ```php
-$response = $client->vectorStores()->files()->retrieve(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    fileId: 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
+$response = $client->threads()->runs()->modify(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
+    parameters:  [
+        'metadata' => [
+            'name' => 'My new run name',
+        ],
+    ],
 );
 
-$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-$response->object; // 'vector_store.file'
-$response->usageBytes; // 4553
-$response->createdAt; // 1717703267
-$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->status; // 'completed'
+$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->object; // 'thread.run'
+$response->createdAt; // 1623936000
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'queued'
+$response->startedAt; // null
+$response->expiresAt; // 1699622335
+$response->cancelledAt; // null
+$response->failedAt; // null
+$response->completedAt; // null
+$response->incompleteDetails; // null
 $response->lastError; // null
-$response->chunkingStrategy->type; // 'static'
-$response->chunkingStrategy->maxChunkSizeTokens; // 800
-$response->chunkingStrategy->chunkOverlapTokens; // 400
+$response->model; // 'gpt-4o'
+$response->instructions; // null
+$response->tools; // []
+$response->usage->total_tokens; // 579
+$response->temperature; // null
+$response->topP; // null
+$response->maxPromptTokens; // 1000
+$response->maxCompletionTokens; // 1000
+$response->truncationStrategy->type; // 'auto'
+$response->toolChoice; // 'auto'
+$response->responseFormat; // 'auto'
+$response->metadata; // ['name' => 'My new run name']
 
-$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
+$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `delete`
+#### `cancel`
 
-Delete a vector store file. This will remove the file from the vector store but the file itself will not be deleted. To delete the file, use the delete file endpoint.
+Cancels a run that is `in_progress`.
 
 ```php
-$response = $client->vectorStores()->files()->delete(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    fileId: 'file-fUU0hFRuQ1GzhOweTNeJlCXG',
+$response = $client->threads()->runs()->cancel(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
 );
 
-$response->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-$response->object; // 'vector_store.file.deleted'
-$response->deleted; // true
+$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->object; // 'thread.run'
+$response->createdAt; // 1623936000
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'cancelling'
+$response->startedAt; // null
+$response->expiresAt; // 1699622335
+$response->cancelledAt; // null
+$response->failedAt; // null
+$response->completedAt; // null
+$response->incompleteDetails; // null
+$response->lastError; // null
+$response->model; // 'gpt-4o'
+$response->instructions; // null
+$response->tools; // []
+$response->usage?->total_tokens; // 579
+$response->temperature; // null
+$response->topP; // null
+$response->maxPromptTokens; // 1000
+$response->maxCompletionTokens; // 1000
+$response->truncationStrategy->type; // 'auto'
+$response->toolChoice; // 'auto'
+$response->responseFormat; // 'auto'
+$response->metadata; // []
 
-$response->toArray(); // ['id' => 'file-fUU0hFRuQ1GzhOweTNeJlCXG', ...]
+$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `list`
+#### `submitToolOutputs`
 
-Returns a list of vector store files.
+When a run has the status: `requires_action` and `required_action.type` is `submit_tool_outputs`, this endpoint can be used to submit the outputs from the tool calls once they're all completed. All outputs must be submitted in a single request.
 
 ```php
-$response = $client->vectorStores()->files()->list(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+$response = $client->threads()->runs()->submitToolOutputs(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
     parameters: [
-        'limit' => 10,
-    ],
+        'tool_outputs' => [
+            [
+                'tool_call_id' => 'call_KSg14X7kZF2WDzlPhpQ168Mj',
+                'output' => '12',
+            ],
+        ],
+    ]
 );
 
-$response->object; // 'list'
-$response->firstId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-$response->lastId; // 'file-D5DPOgBxSoEBTmYBgUESdPpa'
-$response->hasMore; // true
-
-foreach ($response->data as $result) {
-    $result->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-    // ...
-}
+$response->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->object; // 'thread.run'
+$response->createdAt; // 1623936000
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->status; // 'in_progress'
+$response->startedAt; // null
+$response->expiresAt; // 1699622335
+$response->cancelledAt; // null
+$response->failedAt; // null
+$response->completedAt; // null
+$response->incompleteDetails; // null
+$response->lastError; // null
+$response->model; // 'gpt-4o'
+$response->instructions; // null
+$response->usage->total_tokens; // 579
+$response->temperature; // null
+$response->topP; // null
+$response->maxPromptTokens; // 1000
+$response->maxCompletionTokens; // 1000
+$response->truncationStrategy->type; // 'auto'
+$response->responseFormat; // 'auto'
+$response->tools[0]->type; // 'function'
+$response->toolChoice; // 'auto'
+$response->metadata; // []
 
-$response->toArray(); // ['object' => 'list', ...]]
+$response->toArray(); // ['id' => 'run_4RCYyYzX9m41WQicoJtUQAb8', ...]
 ```
 
-#### `search`
+#### `list`
 
-Search a vector store for relevant chunks based on a query and file attributes filter.
+Returns a list of runs belonging to a thread.
 
 ```php
-$response = $client->vectorStores()->search(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
+$response = $client->threads()->runs()->list(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
     parameters: [
-        'query' => 'What is the return policy?',
-        'max_num_results' => 5,
-        'filters' => [],
-        'rewrite_query' => false
-    ]
+        'limit' => 10,
+    ],
 );
 
-$response->object; // 'vector_store.search_results.page'
-$response->searchQuery; // 'What is the return policy?'
+$response->object; // 'list'
+$response->firstId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->lastId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
 $response->hasMore; // false
-$response->nextPage; // null
-foreach ($response->data as $file) {
-    $result->fileId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-    $result->filename; // 'return_policy.pdf'
-    $result->score; // 0.95
-    $result->attributes; // ['category' => 'customer_service']
 
-    foreach ($result->content as $content) {
-        $content->type; // 'text'
-        $content->text; // 'Our return policy allows customers to return items within 30 days...'
-    }
+foreach ($response->data as $result) {
+    $result->id; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+    // ...
 }
 
-$response->toArray(); // ['object' => 'vector_store.search_results.page', ...]
+$response->toArray(); // ['object' => 'list', ...]]
 ```
 
-### `Vector Store File Batches` Resource
-
-#### `create`
-
-Create a vector store file batch.
-
-```php
-$response = $client->vectorStores()->batches()->create(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    parameters: [
-        'file_ids' => [
-            'file-fUU0hFRuQ1GzhOweTNeJlCXG',
-        ],
-    ]
-);
-
-$response->id; // 'vsfb_123'
-$response->object; // 'vector_store.files_batch'
-$response->createdAt; // 1698107661
-$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->status; // 'completed'
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
+### `Thread Run Steps` Resource (deprecated)
 
-$response->toArray(); // ['id' => 'vsfb_123', ...]
-```
+> [!WARNING]
+> OpenAI has deprecated the Assistants API and will stop working by first half of 2026. https://platform.openai.com/docs/guides/responses-vs-chat-completions#assistants
 
 #### `retrieve`
 
-Retrieves a vector store file batch.
+Retrieves a run step.
 
 ```php
-$response = $client->vectorStores()->batches()->retrieve(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    fileBatchId: 'vsfb_123',
+$response = $client->threads()->runs()->steps()->retrieve(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
+    stepId: 'step_1spQXgbAabXFm1YXrwiGIMUz',
 );
 
-$response->id; // 'vsfb_123'
-$response->object; // 'vector_store.files_batch'
-$response->createdAt; // 1698107661
-$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
+$response->id; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
+$response->object; // 'thread.run.step'
+$response->createdAt; // 1699564106
+$response->runId; // 'run_4RCYyYzX9m41WQicoJtUQAb8'
+$response->assistantId; // 'asst_gxzBkD1wkKEloYqZ410pT5pd'
+$response->threadId; // 'thread_tKFLqzRN9n7MnyKKvc1Q7868'
+$response->type; // 'message_creation'
 $response->status; // 'completed'
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
-
-$response->toArray(); // ['id' => 'vsfb_123', ...]
-```
-
-#### `cancel`
-
-Cancel a vector store file batch. This attempts to cancel the processing of files in this batch as soon as possible.
-
-```php
-$response = $client->vectorStores()->batches()->cancel(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    fileBatchId: 'vsfb_123',
-);
-
-$response->id; // 'vsfb_123'
-$response->object; // 'vector_store.files_batch'
-$response->createdAt; // 1698107661
-$response->vectorStoreId; // 'vs_vzfQhlTWVUl38QGqQAoQjeDF'
-$response->status; // 'cancelling'
-$response->fileCounts->inProgress; // 1
-$response->fileCounts->completed; // 0
-$response->fileCounts->failed; // 0
-$response->fileCounts->cancelled; // 0
-$response->fileCounts->total; // 1
+$response->cancelledAt; // null
+$response->completedAt; // 1699564119
+$response->expiresAt; // null
+$response->failedAt; // null
+$response->lastError; // null
+$response->stepDetails->type; // 'message_creation'
+$response->stepDetails->messageCreation->messageId; // 'msg_i404PxKbB92d0JAmdOIcX7vA'
 
-$response->toArray(); // ['id' => 'vsfb_123', ...]
+$response->toArray(); // ['id' => 'step_1spQXgbAabXFm1YXrwiGIMUz', ...]
 ```
 
 #### `list`
 
-Returns a list of vector store files.
+Returns a list of run steps belonging to a run.
 
 ```php
-$response = $client->vectorStores()->batches()->listFiles(
-    vectorStoreId: 'vs_vzfQhlTWVUl38QGqQAoQjeDF',
-    fileBatchId: 'vsfb_123',
+$response = $client->threads()->runs()->steps()->list(
+    threadId: 'thread_tKFLqzRN9n7MnyKKvc1Q7868',
+    runId: 'run_4RCYyYzX9m41WQicoJtUQAb8',
     parameters: [
         'limit' => 10,
     ],
 );
 
 $response->object; // 'list'
-$response->firstId; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
-$response->lastId; // 'file-D5DPOgBxSoEBTmYBgUESdPpa'
-$response->hasMore; // true
+$response->firstId; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
+$response->lastId; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
+$response->hasMore; // false
 
 foreach ($response->data as $result) {
-    $result->id; // 'file-fUU0hFRuQ1GzhOweTNeJlCXG'
+    $result->id; // 'step_1spQXgbAabXFm1YXrwiGIMUz'
     // ...
 }
 
 $response->toArray(); // ['object' => 'list', ...]]
 ```
 
-### Realtime Ephemeral Keys
-
-#### `token`
-
-Create an ephemeral API token for real time sessions.
-
-```php
-$response = $client->realtime()->token();
-
-$response->clientSecret->value // 'ek-1234567890abcdefg'
-$response->clientSecret->expiresAt // 1717703267
-```
-
-#### `transcribeToken`
-
-Create an ephemeral API token for real time transcription sessions.
-
-```php
-$response = $client->realtime()->transcribeToken();
-
-$response->clientSecret->value // 'et-1234567890abcdefg'
-$response->clientSecret->expiresAt // 1717703267
-```
-
 ### `Edits` Resource (deprecated)
 
 > [!WARNING]