LangChain

library 1.0.x ·python

✓ verified Jun 9, 2026 ✓ install

llm-agents ai-ml

LangChain is an orchestration framework for building LLM-powered applications and agents. It provides abstractions for chaining model calls, tool use, memory, and multi-agent coordination. As of v1.0, LangGraph is the foundational runtime for stateful agent execution.

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Resources

docsreference.langchain.com/python/langchain/langchain/ ↗

githubgithub.com/langchain-ai/langchain ↗

changeloggithub.com/langchain-ai/langchain/releases?q=tag%3A%22langchain%3D%3D1%22 ↗

packagepypi.org/project/langchain/ ↗

API endpoints

full doc /v1/registry/langchain

install /v1/registry/langchain/install

compatibility /v1/registry/langchain/compatibility