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Command A Reasoning Cohere GPT-5 Chat OpenAI Deprecated
Context window 256k, Best in row 128k
Max output No data 16k
Vision − ✓
Reasoning ✓ ✓
Tool calling ✓ ✓
Structured output − ✓
Batch API − ✓
Licence Proprietary Proprietary
API model id command-a-reasoning-08-2025 gpt-5-chat-latest

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