HarnessesFramework

LangGraph

Low-level framework for stateful, graph-based agent orchestration.

Maker
LangChain
Kind
framework
Interface
SDK
Open source
Open source · Licence: MIT · GitHub
GitHub stars
43,402 (GitHub API, 2026-10-17)
Models
—
Pricing
—
MCP support
—
Subagents
—
Headless / scripted mode
—
Sandboxing
—
Note
Hosted platform pricing not read.
Official site
https://docs.langchain.com/oss/python/langgraph/
Sources
api.github.com/repos/langchain-ai/langgraph
Other frameworks
Claude Agent SDK, OpenAI Agents SDK, smolagents, Mastra

Every value comes from the official site or docs, or from the GitHub API, on the date shown. A blank (—) means the value isn't stated or wasn't verified. It never means 'no'. Pricing is copied from official pages and changes often. No affiliate links.