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ChatCohere

ChatCohere connects LangChain Python to Cohere chat models. Install langchain-cohere, provide a Cohere API key, and send LangChain messages to the model.

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Syntax

ChatCohere(cohere_api_key=...); chat.invoke(messages)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • HumanMessage
  • ChatModel
  • invoke
  • ainvoke
  • langchain-cohere
  • COHERE_API_KEY

Source: ChatCohere integration. Checked 2026-11-03.