# Composio vs Langfuse
_Agent Infrastructure · independent comparison_

> Composio and Langfuse are both open-source agent infrastructure you can self-host for free. They're closely matched, so the choice comes down to language, license, and which approach fits your workflow. Neither is universally better — pick by fit.

## Side by side

**Composio**
- Open source · Infrastructure · 30k★ · TypeScript · MIT · active today
- Best for: Agents that must act in many SaaS apps on behalf of individual users without building each OAuth flow.
- Avoid if: You want integrations without a hosted dependency; the SDKs need a Composio API key and platform account.
- [listing](https://agentsearchengine.app/agents/composio) · [official](https://docs.composio.dev)

**Langfuse**
- Open source · Infrastructure · 35k★ · TypeScript · MIT · active today
- Best for: Teams that want production-grade, self-hostable tracing and evals for LLM apps.
- [listing](https://agentsearchengine.app/agents/langfuse) · [official](https://langfuse.com)

## Which to choose

**Choose Composio if:** Agents that must act in many SaaS apps on behalf of individual users without building each OAuth flow.

**Choose Langfuse if:** Teams that want production-grade, self-hostable tracing and evals for LLM apps.

## FAQ

**What's the main difference between Composio and Langfuse?**
Both are agent infrastructure built for a similar job; the differences are subtle — compare them on adoption, language, and license in the table above.

**Is Composio or Langfuse better?**
Neither is universally better. Composio is the stronger fit for Agents that must act in many SaaS apps on behalf of individual users without building each OAuth flow; Langfuse for Teams that want production-grade, self-hostable tracing and evals for LLM apps. Use the side-by-side specs to decide by your own constraints.

**Is Composio or Langfuse free?**
Composio is free to run and self-host; Langfuse 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, Composio or Langfuse?**
By GitHub stars — a proxy for open-source adoption — Langfuse is ahead (35k vs 30k). 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/composio-vs-langfuse