Design agents with control
Add human oversight and create stateful, scalable workflows with AI agents.
Stay in the driver's seat. Build copilots that write first drafts for review, act on your behalf, or wait for approval before execution.
Customize your agent runtime with LangGraph
LangGraph provides control for custom agent and multi-agent workflows, seamless human-in-the-loop interactions, and native streaming support for enhanced agent reliability and execution.
About LangGraph
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Force call a tool
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Wait for human-in-the-loop approval
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Multiple agents collaborating on a common goal
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Stream intermediate steps as they happen
Build the right cognitive architecture for your application
Identify and implement the best prompting strategies and architectures so that your LLMs perform as intended.
Go to Docs
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Plan-and-execute
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Multi-agent
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Critique Revise
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ReAct
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Self-ask
Tools for every task
LangChain offers an extensive library of off-the-shelf tools and an intuitive framework for customizing your own.
Autonomous, but well‑behaved
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Debugging agents got you down? LangSmith can help.
LangSmith gives you the explainability to understand why your agents go off track and how to get them humming again.
Explore LangSmith
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End-to-end trace observability
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Tool selection visibility
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Playground with prompt, model, and tool definition variability
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Cost, latency, and error tracking
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LLM evaluators for agent runs
Ready to start shipping reliable GenAI apps faster?
Get started with LangChain, LangGraph, and LangSmith to enhance your LLM app development, from prototype to production.