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LangChain · Class

ModelResponse

ModelResponse stores the messages returned by a model and optional parsed structured output. It is used to pass both forms of model output together.

Last updated

Since
v1.4

Syntax

ModelResponse(result: list[BaseMessage], structured_response: ResponseT | None = None)

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

Subscribe
  • AIMessage
  • BaseMessage
  • ToolMessage
  • ExtendedModelResponse

Source: ModelResponse | langchain | LangChain Reference. Checked 2026-11-03.