from_llm() — langchain Function Reference

Architecture documentation for the from_llm() function in llm_router.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ from_llm() — langchain Function Reference

Dependency Diagram

graph TD
  7e98a1df_1041_92f3_e31b_2dfd178eb89d["from_llm()"]
  6583c2eb_e73e_04a5_2dfe_d3e26b9ec1eb["LLMRouterChain"]
  7e98a1df_1041_92f3_e31b_2dfd178eb89d -->|defined in| 6583c2eb_e73e_04a5_2dfe_d3e26b9ec1eb
  style 7e98a1df_1041_92f3_e31b_2dfd178eb89d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/router/llm_router.py lines 156–164

    def from_llm(
        cls,
        llm: BaseLanguageModel,
        prompt: BasePromptTemplate,
        **kwargs: Any,
    ) -> LLMRouterChain:
        """Convenience constructor."""
        llm_chain = LLMChain(llm=llm, prompt=prompt)
        return cls(llm_chain=llm_chain, **kwargs)