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Agent Frameworks · Head-to-head

crewAI vs langchain

crewAI and langchain are both agent frameworks. crewAI is Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks, while langchain is the agent engineering platform. Here's an independent, side-by-side look at how they compare — and which fits.

crewAI

Framework· Open source

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Visit crewAI
langchain

Framework· Open source

The agent engineering platform.

Visit langchain

Bottom line

crewAI and langchain are both open-source agent frameworks you can self-host for free. langchain has wider GitHub adoption — 144k stars vs 57k. Neither is universally better — pick by fit.

Building one yourself? How to choose an agent framework

Side by side

SpeccrewAIlangchain
TypeFrameworkFramework
ModelOpen sourceOpen source
PricingOpen sourceOpen source
GitHub stars56,881143,843
LanguagePythonPython
LicenseMITMIT
Last activityAug 2026Aug 2026

Key differences

  • langchain has wider GitHub adoption — 144k stars vs 57k.

Choose crewAI if

Orchestrating role-based multi-agent crews in Python with an approachable API.

Choose langchain if

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

About crewAI

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Full crewAI profile →

About langchain

The agent engineering platform.

Full langchain profile →

Frequently asked

What's the main difference between crewAI and langchain?
langchain has wider GitHub adoption — 144k stars vs 57k.
Is crewAI or langchain better?
Neither is universally better. crewAI is the stronger fit for Orchestrating role-based multi-agent crews in Python with an approachable API; langchain for Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications. Use the side-by-side specs to decide by your own constraints.
Is crewAI or langchain free?
crewAI is free to run and self-host; langchain is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
Which is more popular, crewAI or langchain?
By GitHub stars — a proxy for open-source adoption — langchain is ahead (144k vs 57k). Stars measure attention, not necessarily the better fit for you.
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