LangGraph
Framework for stateful, graph-based agent workflows.
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About LangGraph
LangGraph is listed in our frameworks category and is aimed at builders. Framework for stateful, graph-based agent workflows. Pricing, as the maker states it: Open source. Maturity: Mature. We last checked the official link on 2026-10-14.
What is LangGraph?
LangGraph is a low-level orchestration framework from LangChain for building, managing and deploying long-running, stateful agents. Its README names Klarna, Replit and Elastic among companies using it.
It provides infrastructure such as durable execution for any long-running, stateful workflow or agent. A JS/TS version is available, and LangChain points to Deep Agents, built on LangGraph, if you want to build agents more quickly.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: langchain.com/langgraph.
Who is LangGraph for?
Developers who need fine-grained control over stateful, long-running agent workflows in Python or JavaScript.
LangGraph at a glance
- Open source: Yes (MIT License)
- GitHub: langchain-ai/langgraph · 43,639 stars (as of Oct 21, 2026)
Key features
- Low-level orchestration for stateful agents
- Durable execution
- Python and JS/TS versions
- Basis for Deep Agents
LangGraph FAQ
What is LangGraph?
LangGraph is a low-level orchestration framework from LangChain for building, managing and deploying long-running, stateful agents. Its README names Klarna, Replit and Elastic among companies using it.
Who is LangGraph for?
Developers who need fine-grained control over stateful, long-running agent workflows in Python or JavaScript.
Is LangGraph free?
LangGraph's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is LangGraph open source?
Yes. LangGraph is released under the MIT License, according to its GitHub repository.
What are alternatives to LangGraph?
Similar tools include AutoGen, Letta, PocketFlow, Go Micro, DSPy and Embabel.
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