ainvoke() — langchain Function Reference

Architecture documentation for the ainvoke() function in chat_models.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 2 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ ainvoke() — langchain Function Reference

Dependency Diagram

graph TD
  4e73982c_eba2_614b_29c5_4974d3b4d313["ainvoke()"]
  48aa29b8_65e7_522f_a445_a441eeb6baff["BaseChatModel"]
  4e73982c_eba2_614b_29c5_4974d3b4d313 -->|defined in| 48aa29b8_65e7_522f_a445_a441eeb6baff
  9d211053_b2a3_2915_b514_1f332955694a["astream()"]
  9d211053_b2a3_2915_b514_1f332955694a -->|calls| 4e73982c_eba2_614b_29c5_4974d3b4d313
  76cea2f3_e390_3b76_14fc_765e0a124fec["agenerate_prompt()"]
  4e73982c_eba2_614b_29c5_4974d3b4d313 -->|calls| 76cea2f3_e390_3b76_14fc_765e0a124fec
  494835ff_15be_f036_50fa_f8855bc47703["_convert_input()"]
  4e73982c_eba2_614b_29c5_4974d3b4d313 -->|calls| 494835ff_15be_f036_50fa_f8855bc47703
  style 4e73982c_eba2_614b_29c5_4974d3b4d313 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/language_models/chat_models.py lines 416–437

    async def ainvoke(
        self,
        input: LanguageModelInput,
        config: RunnableConfig | None = None,
        *,
        stop: list[str] | None = None,
        **kwargs: Any,
    ) -> AIMessage:
        config = ensure_config(config)
        llm_result = await self.agenerate_prompt(
            [self._convert_input(input)],
            stop=stop,
            callbacks=config.get("callbacks"),
            tags=config.get("tags"),
            metadata=config.get("metadata"),
            run_name=config.get("run_name"),
            run_id=config.pop("run_id", None),
            **kwargs,
        )
        return cast(
            "AIMessage", cast("ChatGeneration", llm_result.generations[0][0]).message
        )