Langfuse
Open-source LLM engineering platform: full-trace observability, online and offline evals, prompt management, and cost metrics for agent runs in production—the monitoring layer most harnesses lack out of the box.
evalstypescript
- Stars
- 32.3k
- Adoption surface
- slightly complex
- Autonomy
- n/a
- Recovery
- n/a
- License
- ✅ open-source
- Category
- Observability and eval-ops