LangChain

LangChain is a framework for LLM apps, chaining prompts, agents, tools, memory for complex workflows like chatbots or RAG.

JS/Python.

Use LangChain when:

• LLM orchestration.
• Agents tools.
• Memory convos.
• Retrieval chains.

Note: LLMChain prompt.

Tools function.

LCEL pipe.