Langfuse

Free tier

Platforms: api | Last verified: 2026-04-08

Features

*LLM observability
*Request tracing
*Cost analytics
*Quality scoring
*User feedback collection
*Model evaluation
*Session tracking

Pricing

Free: Up to 50k tokens per month

Pro$40/month

Enterprise$/custom

Strengths

+Open-source available
+Comprehensive tracing
+Quality scoring feature
+Good documentation

Limitations

-Limited free tier
-Steeper learning curve
-Smaller ecosystem

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