LANGCHAIN-EDI

Python/JS LLM apps framework.

Definition

LangChain v0.3 (2024): LCEL (Expression Language), LangGraph (stateful agents), LangSmith (observability). 600+ integrations: OpenAI, Anthropic, Hugging Face, Pinecone. Competitors: LlamaIndex (RAG-focused), Haystack.

Origin

Launched by Harrison Chase October 2022 ; LangChain Inc. founded 2023.

Example in context

An EDI mapping assistant uses LangChain to orchestrate Claude + Schematron validation tools on invoices.

Related terms

• LlamaIndex — RAG competitor.