# eliza vs langchain
_Agent Frameworks · independent comparison_

> eliza and langchain are both open-source agent frameworks you can self-host for free. langchain has wider GitHub adoption — 144k stars vs 19k. Neither is universally better — pick by fit.

## Side by side

**eliza**
- Open source · Framework · 19k★ · TypeScript · MIT · active 2 days ago
- Best for: A local-first agent OS running on desktop, mobile, or as a system assistant.
- [listing](https://agentsearchengine.app/agents/eliza) · [official](https://elizaos.ai/)

**langchain**
- Open source · Framework · 144k★ · Python · MIT · active 3 days ago
- 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/)

## Key differences

- langchain has wider GitHub adoption — 144k stars vs 19k.
- eliza is written primarily in TypeScript; langchain in Python.

## Which to choose

**Choose eliza if:** A local-first agent OS running on desktop, mobile, or as a system assistant.

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

## FAQ

**What's the main difference between eliza and langchain?**
langchain has wider GitHub adoption — 144k stars vs 19k.

**Is eliza or langchain better?**
Neither is universally better. eliza is the stronger fit for A local-first agent OS running on desktop, mobile, or as a system assistant; 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 eliza or langchain free?**
eliza 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, eliza or langchain?**
By GitHub stars — a proxy for open-source adoption — langchain is ahead (144k vs 19k). Stars measure attention, not necessarily the better fit for you.

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