head to head · open source
serviette vs Langfuse
serviette has 58,799 GitHub stars, 1,510 forks, 8 open issues and last shipped 2 days ago. Langfuse has 35,887 stars, 3,995 forks, 926 open issues and last shipped yesterday. serviette leads on adoption by 64% (58,799 vs 35,887 stars). serviette is written in Python under MIT; Langfuse is written in TypeScript under a custom or non-standard licence. serviette has attracted 3% as many forks as stars, Langfuse 11%. Langfuse was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| serviette | Langfuse | |
|---|---|---|
| GitHub stars | ★ 59K | ★ 36K |
| License | MIT | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-10-15 | 2026-10-16 |
| Forks | ⑂ 1.5K | ⑂ 4.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick serviette if
- You weight community size — 59K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Langfuse if
- You want the Langfuse feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Langfuse fits your workflow better
About serviette
serviette is a no code, always up to date RAG server that turns a folder of documents into a chat interface and a REST API with cited answers, built for teams that want question answering over their own organisation's files without assembling or maintaining a retrieval pipeline.
read the full serviette overview →
About Langfuse
Langfuse is an open source LLM engineering platform for building, monitoring, and improving AI powered applications. It lives in the LLMops ecosystem and provides tooling for the full development lifecycle—from prompt iteration and evaluation to observability and dataset management. Built with TypeScript and powered by ClickHouse, it enables teams to track LLM calls, user sessions, and internal logic like retrieval or agent actions in a unified interface.
read the full Langfuse overview →
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Frequently asked questions
Is serviette or Langfuse more popular?
serviette has 58,799 GitHub stars and Langfuse has 35,887. serviette has the larger community by that measure.
Are serviette and Langfuse free?
Both are open source. serviette is licensed under MIT, and Langfuse has no licence declared in this registry. Both are free to self-host.
What is the difference between serviette and Langfuse?
serviette is written in Python and Langfuse in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, serviette or Langfuse?
Choose serviette if you want the larger community (58,799 stars) or its MIT licence terms. Choose Langfuse if its feature set, stack or Custom / other licence fits better. Both are self-hostable.