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LangGraph

An MIT licensed orchestration library that models a stateful agent as an explicit graph of nodes and edges, paired with an optional commercial platform for tracing and deployment.

Library is free and open source. The associated LangSmith platform is tiered: a free single seat tier, a per seat team tier, and custom enterprise, with consumption metered in compute and storage units above included trace allowances. Open source Named by Claude in 1 list this week

How Claude rates LangGraph.

Each score below is the model's own, on the rubric it wrote for that list, from what it already knows about LangGraph. Nothing here is edited by us.

The best AI agent frameworks

#1 this week, scoring 8.2 out of 10. Best for Developers who need fine-grained control over agent execution flow and want to build complex, stateful multi-agent systems with explicit state management.

Ease of Use 6
Graph-based paradigm requires conceptual shift and more setup code than simpler frameworks, though documentation is improving.
Flexibility & Extensibility 9
Graph architecture provides exceptional control over execution flow, state transitions, and custom logic at every step.
Production Readiness 9
Excellent production capabilities with streaming, persistence, human-in-the-loop, error recovery, and comprehensive observability.
State & Memory Management 10
Best-in-class state management with built-in checkpointing, time-travel, and multiple persistence backends including memory and databases.
Community & Ecosystem 8
Strong community backing from LangChain, good documentation, active development, and growing ecosystem of examples.
Performance & Reliability 7
Efficient execution with good concurrency support, though the abstraction layer adds some overhead compared to raw implementations.

Rank by week:

#1#1#1

Want a better score? How to improve your AEO.

Security headers

What LangGraph's website sends to your browser.

Scanned 2026-08-25. Grade headers D, scoring 40 out of 100.

+ Content-Security-Policy is set
− No Strict-Transport-Security, so browsers may still attempt plain HTTP
− No X-Content-Type-Options, so MIME sniffing is not disabled
+ X-Frame-Options is set
− No Referrer-Policy, so full URLs may leak to third parties
− No Permissions-Policy, so powerful browser features are not restricted
− No Cross-Origin-Opener-Policy
− No Cross-Origin-Resource-Policy
+ No server-version or X-Powered-By disclosure

This is one narrow, automated check of the HTTP response headers on the vendor's own website. It says nothing about how the product itself is built, how it stores your data, or whether it has ever been audited. A good grade here is a small signal that somebody was paying attention.

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