adding support for cohere command-a-03-2025

[ryanchase-cohere]

adding support for cohere command-a-03-2025

adding model details for cohere's command-a-03-2025 model in model_prices_and_context_window_backup.json

Pre-Submission checklist

Please complete all items before asking a LiteLLM maintainer to review your PR

• I have Added testing in the tests/litellm/ directory, Adding at least 1 test is a hard requirement - see details
• I have added a screenshot of my new test passing locally
• My PR passes all unit tests on (make test-unit)[https://docs.litellm.ai/docs/extras/contributing_code]
• My PR's scope is as isolated as possible, it only solves 1 specific problem

Screenshots of completed tests

Type

🆕 New Feature

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Name	Status	Preview	Comments	Updated (UTC)
litellm	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 24, 2025 11:06pm

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