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Langfuse

Open-source observability, prompt management and evaluation for AI apps

★ Stars36k36,021 on GitHub
Last commit19 Oct 2026
LicenceMITPer the project
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From GitHub, fetched 19 Oct 2026.

Visit langfuse.com ↗

Langfuse records every call your AI app makes so you can trace, debug and measure cost and latency, and adds prompt versioning, datasets and evaluations. It can be self-hosted with Docker Compose or Kubernetes.

The core is MIT; the ee/ folders are under a separate commercial licence.

Self-hosting requirements

Runs withDocker, Kubernetes
DockerYes
The project README documents running it with Docker.

Sources: github.com/langfuse/langfuse, checked 19 Oct 2026. “Runs with” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.

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