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 (147k vs 59k). Stars measure attention, not necessarily the better fit for you.

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 — 147k stars vs 59k. Neither is universally better — pick by fit.

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Side by side

Spec	crewAI	langchain
Type	Framework	Framework
Model	Open source	Open source
Pricing	Open source	Open source
GitHub stars	59,135	147,201
Language	Python	Python
License	MIT	MIT
Last activity	Sep 2026	Sep 2026

Key differences

langchain has wider GitHub adoption — 147k stars vs 59k.

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 — 147k stars vs 59k.
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 (147k vs 59k). Stars measure attention, not necessarily the better fit for you.

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