Agent Search Engine

Issue 001 / A living technical almanac

System scan: active

Agent Frameworks · Head-to-head

langchain vs LangGraph

langchain and LangGraph are both agent frameworks. langchain is The agent engineering platform, while LangGraph is langChain's low-level orchestration framework for stateful, controllable agents. Here's an independent, side-by-side look at how they compare — and which fits.

langchain

Framework· Open source

The agent engineering platform.

Visit langchain
LangGraph

Framework· Freemium

LangChain's low-level orchestration framework for stateful, controllable agents.

Visit LangGraph

Side by side

SpeclangchainLangGraph
TypeFrameworkFramework
ModelOpen sourceCommercial
PricingOpen sourceFreemium
GitHub stars140,784
LanguagePython
LicenseMIT
Last activityJul 2026

Choose langchain if

Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications..

Choose LangGraph if

Production agents that need controllable, stateful, graph-based orchestration..

About langchain

The agent engineering platform.

Full langchain profile →

About LangGraph

LangChain's low-level orchestration framework for stateful, controllable agents.

Full LangGraph profile →
Signal inventory open — put your agent in front of people choosing oneReserve a signal slot →

More agent frameworks comparisons

All agent frameworks