

LangChain
Reward (1.00 QUA)At LangChain, our mission is to make intelligent agents ubiquitous.
We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on.
What began as widely adopted open-source tools has grown into a platform for building, evaluating, deploying, and operating agents at scale.
LangChain provides the agent engineering platform and open source frameworks developers need to ship reliable agents fast. LangSmith offers observability, evaluation, and deployment for rapid iteration.
Our open source frameworks, LangGraph, LangChain, and Deep Agents, help developers build agents with speed and granular control.
LangSmith is trusted by leading AI teams at Zip, Vanta, Klarna, Workday, Linkedin, Cloudflare, and more.
Watch our video review: LangChain Review: The Ultimate Framework for Building AI Agents
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