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LangGraph

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Graph-based framework for building stateful, multi-step AI agents

Updated Nov 23, 2025
AI Framework/LibraryOpen SourceAll platforms

About

LangGraph is a specialized framework from LangChain for building stateful, multi-step AI agents with complex workflows. Using graph-based architecture, LangGraph enables branching logic, conditional workflows, and persistent state management. Perfect for building sophisticated AI agents that need to handle complex decision trees and multi-step reasoning with full control over execution flow.

Key Features

  • Graph-based agent architecture
  • Multi-step workflow orchestration
  • Stateful agent execution
  • Branching and conditional logic
  • Tool use integration
  • Human-in-the-loop support
  • Production-ready workflows

Use Cases

  • Complex multi-step AI agents
  • Stateful conversation systems
  • Workflow automation with branching
  • Decision tree AI systems
  • Advanced agentic applications

Technical Details

Languages

PythonJavaScript/TypeScript

AI Models

Any LLM

Integrations

LangChainLangSmithAll LLMs

Frequently Asked Questions

What is LangGraph?

LangGraph is a specialized framework from LangChain for building stateful, multi-step AI agents with complex workflows. Using graph-based architecture, LangGraph enables branching logic, conditional workflows, and persistent state management. Perfect for building sophisticated AI agents that need to handle complex decision trees and multi-step reasoning with full control over execution flow.

Is LangGraph free?

Yes, LangGraph is open source and free to use. Full framework, Graph-based workflows, Stateful agents

What programming languages does LangGraph support?

LangGraph supports 2+ programming languages including Python, JavaScript/TypeScript.

What AI models does LangGraph use?

LangGraph is powered by Any LLM.

What platforms does LangGraph support?

LangGraph is available on All platforms.

What can LangGraph do?

LangGraph provides agentic/autonomous mode. Key features include: Graph-based agent architecture, Multi-step workflow orchestration, Stateful agent execution.

Pricing

Free (Open Source)

$0
  • Full framework
  • Graph-based workflows
  • Stateful agents
  • Branching logic

Company

Name
LangChain
Founded
2022
Location
San Francisco, CA
Users
Growing community

Links

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