langfuse/langfuse

About

Langfuse is an open source LLM engineering platform. It helps teams collaboratively develop, monitor, evaluate, and debug AI applications. Langfuse can be self-hosted in minutes and is battle-tested. Proudly made with ClickHouse open source database.

### 🧑‍💻 We're hiring > Langfuse is growing fast (we doubled the team in the last 6 months) - since January 2026 we're part of ClickHouse, we're hiring engineering hybrid across the EU. We hire engineers who love open source and great developer experiences. See open roles →

Managed deployment by the Langfuse team, generous free-tier, no credit card required.

See self-hosting documentation to learn more about architecture and configuration…

Excerpted from github.com/langfuse/langfuse