from_llm() — langchain Function Reference

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

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ from_llm() — langchain Function Reference

Dependency Diagram

graph TD
  69dc7f8d_6045_19f1_2753_a9aac53c740f["from_llm()"]
  e5b160d8_32ea_b829_c22c_a0f4328ba83d["ConstitutionalChain"]
  69dc7f8d_6045_19f1_2753_a9aac53c740f -->|defined in| e5b160d8_32ea_b829_c22c_a0f4328ba83d
  style 69dc7f8d_6045_19f1_2753_a9aac53c740f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/constitutional_ai/base.py lines 219–235

    def from_llm(
        cls,
        llm: BaseLanguageModel,
        chain: LLMChain,
        critique_prompt: BasePromptTemplate = CRITIQUE_PROMPT,
        revision_prompt: BasePromptTemplate = REVISION_PROMPT,
        **kwargs: Any,
    ) -> "ConstitutionalChain":
        """Create a chain from an LLM."""
        critique_chain = LLMChain(llm=llm, prompt=critique_prompt)
        revision_chain = LLMChain(llm=llm, prompt=revision_prompt)
        return cls(
            chain=chain,
            critique_chain=critique_chain,
            revision_chain=revision_chain,
            **kwargs,
        )