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LangGraph

LangChainOpen source

In one line

A framework for agent workflows as graphs. The repository license is MIT.

  • Free
  • 3 sources
  • GitHub stars, read on 2026-10-15: 43,316
  • MIT
Visit third-party websiteGitHub repository

What is LangGraph?

LangGraph's product page is langchain.com/langgraph. Its title calls it an orchestration framework for reliable AI agents and mentions durable execution, memory, streaming, and human-in-the-loop. The repository langchain-ai/langgraph is MIT licensed, and its docs overview opens on docs.langchain.com.

What can you use LangGraph for?

  • Model an agent as a recoverable graph
  • Add a human review node
  • Keep it distinct from a higher-level hosted builder

LangGraph pricing and usage limits

Free

The software itself is free to obtain. Model API calls, if any, are billed by the model provider.

This site never quotes prices. Confirm amounts on the official site.

Sources checked

These pages were opened during verification. Details may have changed; the official pages win.

Sources last checked for this entry:

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