# langchain vs MetaGPT
_Agent Frameworks · independent comparison_

> langchain and MetaGPT are both open-source agent frameworks you can self-host for free. langchain has wider GitHub adoption — 147k stars vs 71k. Neither is universally better — pick by fit.

## Side by side

**langchain**
- Open source · Framework · 147k★ · Python · MIT · active today
- Best for: Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications.
- Avoid if: You want a ready-made autonomous agent out of the box — this is a framework, not an agent.
- [listing](https://agentsearchengine.app/agents/langchain) · [official](https://docs.langchain.com/langchain/)

**MetaGPT**
- Open source · Framework · 71k★ · Python · MIT · active 8 months ago
- Best for: Experimenting with role-based multi-agent collaboration for software and document generation.
- [listing](https://agentsearchengine.app/agents/metagpt) · [official](https://atoms.dev/)

## Key differences

- langchain has wider GitHub adoption — 147k stars vs 71k.

## Which to choose

**Choose langchain if:** Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications.

**Choose MetaGPT if:** Experimenting with role-based multi-agent collaboration for software and document generation.

## FAQ

**What's the main difference between langchain and MetaGPT?**
langchain has wider GitHub adoption — 147k stars vs 71k.

**Is langchain or MetaGPT better?**
Neither is universally better. langchain is the stronger fit for Builders who want composable primitives and the broadest ecosystem of integrations for LLM applications; MetaGPT for Experimenting with role-based multi-agent collaboration for software and document generation. Use the side-by-side specs to decide by your own constraints.

**Is langchain or MetaGPT free?**
langchain is free to run and self-host; MetaGPT 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, langchain or MetaGPT?**
By GitHub stars — a proxy for open-source adoption — langchain is ahead (147k vs 71k). Stars measure attention, not necessarily the better fit for you.

---
Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/langchain-vs-metagpt