# langchain vs ruflo
_Agent Frameworks · independent comparison_

> langchain and ruflo are both open-source agent frameworks you can self-host for free. langchain has wider GitHub adoption — 143k stars vs 67k. Neither is universally better — pick by fit.

## Side by side

**langchain**
- Open source · Framework · 143k★ · Python · MIT · active 1 day 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/)

**ruflo**
- Open source · Framework · 67k★ · TypeScript · MIT · active 1 day ago
- Best for: Adding tools, memory, loops, and sandboxes on top of Claude Code or Codex.
- Avoid if: You do not already use Claude Code or Codex — Ruflo is a harness layered on them.
- [listing](https://agentsearchengine.app/agents/ruflo) · [official](https://Cognitum.One)

## Key differences

- langchain has wider GitHub adoption — 143k stars vs 67k.
- langchain is written primarily in Python; ruflo in TypeScript.

## Which to choose

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

**Choose ruflo if:** Adding tools, memory, loops, and sandboxes on top of Claude Code or Codex.

## FAQ

**What's the main difference between langchain and ruflo?**
langchain has wider GitHub adoption — 143k stars vs 67k.

**Is langchain or ruflo 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; ruflo for Adding tools, memory, loops, and sandboxes on top of Claude Code or Codex. Use the side-by-side specs to decide by your own constraints.

**Is langchain or ruflo free?**
langchain is free to run and self-host; ruflo 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 ruflo?**
By GitHub stars — a proxy for open-source adoption — langchain is ahead (143k vs 67k). 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/langchain-vs-ruflo