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    LangChain pricing

    MIT open-source framework for building LLM apps: Python/JavaScript abstractions, 100+ LLM/tool integrations, RAG, autonomous agents, and LangGraph for agent orchestration.

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    ToolTrim verdict4.5/ 5Excellent

    LangChain is standard for LLM dev; for UI/no-code, try builders.

    Pricing. What does LangChain cost ?

    Free

    $0

    Free plan available.

    Paid plan

    Paid plans available. See the official pricing source for details.

    Official pricingChecked on July 24, 2026

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