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.

Stars

36.8k

Adoption surface

slightly complex

Autonomy

n/a

Recovery

n/a

License

✅ open-source

Category

Observability and eval-ops

Repository ↗ Example: Docs ↗

Related in Observability and eval-ops

• MLflow
• Opik
• Arize Phoenix

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