DeepSeek

The DeepSeek model provides access to DeepSeek’s language models.

Parameters

Parameter	Type	Default	Description
`id`	`str`	`"deepseek-v4-flash"`	The ID of the DeepSeek model to use
`name`	`str`	`"DeepSeek"`	The name of the model
`provider`	`str`	`"DeepSeek"`	The provider of the model
`api_key`	`Optional[str]`	`None`	The API key for DeepSeek (defaults to DEEPSEEK_API_KEY env var)
`base_url`	`str`	`"https://api.deepseek.com"`	The base URL for the DeepSeek API
`reasoning_effort`	`Optional[str]`	`None`	Controls reasoning effort in thinking mode. Valid values are `"high"` and `"max"`. Regular requests default to `"high"`; DeepSeek automatically uses `"max"` for some complex agent requests
`use_thinking`	`Optional[bool]`	`None`	Controls thinking mode. `None` uses the model default (on for thinking-capable models). Set `False` for faster responses without thinking
`supports_native_structured_outputs`	`bool`	`False`	Whether the model supports native structured outputs

DeepSeek extends OpenAILike and accepts all of its parameters.