Skip to content
CAI
Produce a survey ↗Verify a survey

langchain-ai/langgraph

This system is a comprehensive framework for building and managing stateful, multi-agent workflows. It provides a robust execution engine for defining complex graph-based logic, supported by a modular architecture that includes a CLI for development and deployment, a Python SDK for remote interaction, and a suite of persistence backends for checkpoints and data stores.

57.3

Adequate · 2 August 2026

68k

lines of production code

Python

primary language

5

bus factor · 316 authors in all

3

measurements over time

CAI band scale
CAI trend line

How it got here

2023–2024 · LangGraph CLI and checkpointing infrastructure

This period focused on establishing the LangGraph CLI for local development and remote deployment, while introducing a comprehensive checkpointing and state management system. The team also refactored the core library with new runtime, channel, and functional APIs, and migrated example notebooks to the documentation site.

49 changes

2025–2026 · v3 streaming and cache infrastructure

This period focused on introducing the v3 streaming infrastructure, including native projections, async/sync SDK clients, and SSE/WebSocket transport layers. It also established a comprehensive caching system with in-memory, SQLite, and Redis implementations, alongside a conformance test suite for checkpointers.

28 changes

CAI lens gauges

Survey your own repository

langchain-ai/langgraph was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point the surveyor at a repository you know and see whether you agree with it.

Survey a repository

About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 2 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit b2926a0ff9 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
CAI link cards