LangChain alternatives

LangChain: Open-source framework for building LLM apps and agents.

LangChain has a lot of abstractions, and many developers find it heavy for simple apps. These frameworks are lighter, typed or focused on agents or retrieval.

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5 alternatives to LangChain

  1. Haystack logo

    Haystack is an open-source framework from deepset in Germany for search and RAG pipelines.

    • Free
    • Web
    • Made in Germany
    Visit website
  2. CrewAI logo

    CrewAI is built for teams of agents that work together on a task.

    • Freemium
    • Web
    • Made in United States
    Visit website
  3. Mastra logo

    Mastra is a TypeScript framework for agents and workflows.

    • Free
    • Web
    • Made in United States
    Visit website

LangChain alternatives compared

Product Pricing Platforms Made in
LlamaIndex Freemium Web United States
Haystack Free Web Germany
CrewAI Freemium Web United States
Mastra Free Web United States
Pydantic AI Free Web United Kingdom

LangChain alternatives: frequently asked questions

What are the best alternatives to LangChain?

Popular alternatives to LangChain are LlamaIndex, Haystack and CrewAI. You can compare their pricing, platforms and the country they're made in on this page.

Is there a free alternative to LangChain?

Yes. Haystack, Mastra and Pydantic AI are free to use. LlamaIndex and CrewAI have a free plan.

Is there a European alternative to LangChain?

Yes. Haystack (Germany) and Pydantic AI (United Kingdom) are made in Europe.