app · Langfuse GmbH

Langfuse

Langfuse is an open-source LLM engineering platform for tracing application runs, managing prompts, recording scores, and analysing evaluation results across models and versions.

  • free-tier
  • self-host
  • cloud
  • Open source

What it can help with

  • LLM tracing
  • prompt management
  • evaluation scores
  • datasets
  • cost monitoring