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CohereModel

Cohere API in a unified BaseModelBackend interface. Parameters:
  • model_type (Union[ModelType, str]): Model for which a backend is created, one of Cohere series.
  • model_config_dict (Optional[Dict[str, Any]], optional): A dictionary that will be fed into:obj:cohere.ClientV2().chat(). If :obj:None, :obj:CohereConfig().as_dict() will be used. (default: :obj:None)
  • api_key (Optional[str], optional): The API key for authenticating with the Cohere service. (default: :obj:None)
  • url (Optional[str], optional): The url to the Cohere service. (default: :obj:None)
  • token_counter (Optional[BaseTokenCounter], optional): Token counter to use for the model. If not provided, :obj:OpenAITokenCounter( ModelType.GPT_4O_MINI) will be used. (default: :obj:None)
  • timeout (Optional[float], optional): The timeout value in seconds for API calls. If not provided, will fall back to the MODEL_TIMEOUT environment variable or default to 180 seconds. (default: :obj:None) **kwargs (Any): Additional arguments to pass to the client initialization.

init

_to_openai_response

_to_cohere_chatmessage

token_counter

Returns: BaseTokenCounter: The token counter following the model’s tokenization style.

_prepare_request

_run

Runs inference of Cohere chat completion. Parameters:
  • messages (List[OpenAIMessage]): Message list with the chat history in OpenAI API format.
Returns: ChatCompletion.

stream

Returns: bool: Whether the model is in stream mode.