Agent Development Kit (ADK) vs LangChain

Side-by-side comparison of two AI agent tools

Short answer

  • LangChain is growing faster: +141 GitHub stars in the last 30 days vs +80 for Agent Development Kit (ADK).
  • Pick Agent Development Kit (ADK) for: an open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents. Pick LangChain for: the agent engineering platform.

From GitHub data refreshed daily.

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

LangChainopen-source

The agent engineering platform

Metrics

Agent Development Kit (ADK)LangChain
Stars21.7k18.2k
Star velocity /mo80141.3157894736842
Commits (90d)1.4k188
Releases (6m)1010
Downloads (30d, npm + PyPI)9.9M12.1M
Overall score0.73815426623124230.6890796848024454

Pros

    • +模型互操作性强,支持轻松切换不同LLM模型,适应技术发展变化
    • +集成生态丰富,提供大量模型提供商、工具和向量存储的现成集成
    • +生产就绪特性完备,内置监控、评估和调试支持,便于部署可靠的应用

    Cons

      • -框架抽象层可能引入额外的性能开销和复杂性
      • -依赖众多外部服务和集成,可能存在版本兼容性问题
      • -对于简单LLM调用场景可能过于复杂,学习曲线较陡峭

      Use Cases

        • •构建需要实时数据增强的RAG应用,连接多种数据源和外部系统
        • •快速原型开发LLM应用,测试不同模型和工作流而无需重构
        • •开发复杂的代理系统和可控制的AI工作流程,支持多步骤推理

        FAQ

        Which is more popular, Agent Development Kit (ADK) or LangChain?
        Agent Development Kit (ADK) has more GitHub stars (21,696 vs 18,245).
        Which is more actively developed, Agent Development Kit (ADK) or LangChain?
        Agent Development Kit (ADK) had more commits in the last 90 days (1,402 vs 188).
        Should I use Agent Development Kit (ADK) or LangChain?
        Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.