Open-source LLM observability platform and AI gateway for logging, tracing, monitoring and routing requests to 100+ models.
6.2K685TypeScriptApache-2.0Updated yesterday
1 alternative
Best open-source alternatives to Langfuse (2026)
Looking for a free, open-source alternative to Langfuse? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| Helicone/helicone | ★ 6.2K | Apache-2.0 | yesterday |
FAQ
- Is there a free, open-source alternative to Langfuse?
- Yes. The most popular open-source alternatives to Langfuse on Repolode are helicone.
- Which Langfuse alternative should I choose?
- helicone has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.