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LangGraph

Developer tool

by LangChain

Open-source library for building agents as explicit graphs of steps and state.

Find alternatives to LangGraph

The library is open source; its managed deployment is priced on the shared LangChain pricing page.

What it does

• Agent orchestration

How it compares

• CrewAI

  CrewAI Flows gives you the same power — event-driven orchestration, conditional routing, shared state — with dramatically less boilerplate and a mental model that maps cleanly to how you actually think about multi-step AI workflows.

  Official documentation · 20 Sep 2026
• Mastra

  LangChain's own 'The best AI agent frameworks in 2026' page names Mastra (16 mentions), CrewAI (14) and LangGraph (16) as the frameworks compared.

  Company disclosure · 20 Sep 2026
• deepset Haystack Enterprise Platform

  It's most accurate to think of Haystack as covering both LangChain and LangGraph territory.

  Official documentation · 22 Sep 2026

Sources

Pricing

Pricing page · 22 Aug 2026

The library is open source; its managed deployment is priced on the shared LangChain pricing page.

Sold within

Official documentation · 29 Sep 2026

The vendor's page states a free open-source self-serve route needing no plan; managed deployment is a separate LangSmith product: "LangGraph is an MIT-licensed open-source library and is free to use."

Also from LangChain

• LangChain Developer tool

  Open-source framework for composing language-model calls, tools and retrieval into applications.

• LangSmith Platform

  Traces, evaluates and monitors language-model applications in development and production.

• LangSmith Context Hub Agent platform

  Versions and deploys prompts and agent context. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Deployment Agent platform

  Deploys and operates production agents. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Engine Agent platform

  Analyzes agent traces and recommends fixes. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Fleet Agent platform

  No-code agent building, deployment into Slack/Teams/Gmail, and human-in-the-loop approval controls. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith LLM Gateway Agent platform

  Governs model calls and spending across providers. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Sandboxes Agent platform

  Runs agent-generated code in isolated virtual machines. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

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