LangChain – Prompt Catching Table Of Contents: Implicit Provider Prompt Catching Explicit Provider Level Catching. Langchain Middleware (1) Problem Without Prompt Catching (2) What Is Prompt Catching ? (3) Implicit Prompt Catching . Models That Support Implicit Prompt Catching: from langchain_openai import ChatOpenAI llm = ChatOpenAI( MODEL = "gpt-5" ) response = model.invoke("Explain LangGrapg In Details") print(response.usage_metadata) (4) What Happen After We Catch The Token How The LLM Process It ? (5) Difference In Prompt Catching & Response Catching (6) Explicit Provider Level Catching

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