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    LangGraph

    Stateful, multi-actor agent framework from LangChain.

    What it does

    LangGraph is a library for building stateful, multi-agent applications with cycles, persistence, and human-in-the-loop control.

    framework
    OSS
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    Key features

    • Stateful, multi-actor agent framework
    • Cycles, persistence, human-in-the-loop
    • LangSmith debugging integration
    • Python and JS SDKs
    • LangGraph Cloud hosting option

    Pricing

    Open Source

    Free

    Self-host with no license fee.

    LangSmith

    From $39/seat/mo

    Hosted debugging and monitoring.

    Enterprise

    Custom

    Contact sales for pricing.

    Prices change — confirm current pricing on langchain.com/langgraph.

    Integrations & access

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