← Tool Radar
platform

Langfuse

A solid open-source LLM observability platform but with a growing ecosystem

7.3Overall
Utility8
Onboarding7
Craft7
Niche fit7
Longevity7

Five dimensions scored independently; overall is a weighted average. Scores are only comparable within this same rubric.

Good for

Teams needing LLM monitoring and optimization

Not for

Individual devs needing just basic logging

Project description

Open source LLM observability platform. Traces, evals, prompt management, cost tracking for AI applications.

Alternatives

Weights & BiasesArizePromptLayer
Visit site12,000 · Stars at evalEvaluated 2026-04-18

Similar tools