Langfuse
LLM engineering platform for model tracing, prompt management, and application evaluation. Langfuse helps teams collaboratively debug, analyze, and iterate on their LLM applications such as chatbots or AI agents.
- GitHub stars
- 35,724
- License
- MIT
- Latest release
- v4.57.0
12 October 2026 - Last commit
- 12 October 2026
- Runs on
- Docker
Commits per month, last 12 months
4,614 commits
Replaces
Paid products Langfuse can stand in for.
How to self-host Langfuse
Langfuse runs on Docker. The project's own install guide is the place to start; most people put it on a small server with Docker and a reverse proxy for HTTPS.
- Get a server: a home server, a VPS, or a managed app host.
- Install it the way the project's docs describe, usually with Docker Compose.
- Put it behind HTTPS and set up backups before you add real data.
- Update it regularly. Watch the project's releases.
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Questions
Is Langfuse free?
Yes. Langfuse is open source under the MIT license, so you can use it without paying for a license. You pay only for the server it runs on.
Can I self-host Langfuse?
Yes. Langfuse runs on Docker. Follow the install guide in the project's documentation, or use a host that installs it for you.
What does Langfuse replace?
People use Langfuse instead of LangSmith.
Is Langfuse still maintained?
The last change to Langfuse's code was on 12 October 2026, with 4614 commits in the last 12 months.
Topics
App data from awesome-selfhosted (CC BY-SA 3.0), stars and activity from GitHub.