Open-source LLM observability and analytics. Trace, evaluate, and debug LLM apps with prompt versioning, score tracking, and a full analytics dashboard.
Skills
Trace every LLM call and chain step with full input/output capture and latency
Trace every LLM call and chain step with full input/output capture and latency
Version and manage prompts with a/b testing and rollback across environments
Version and manage prompts with a/b testing and rollback across environments
Score traces with custom evaluation rubrics to track quality over time
Score traces with custom evaluation rubrics to track quality over time
Analyze user session funnels, latency distributions, and token cost trends
Analyze user session funnels, latency distributions, and token cost trends
Self-host on any infrastructure or use Langfuse Cloud with zero configuration
Self-host on any infrastructure or use Langfuse Cloud with zero configuration
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