Langfuse
Langfuse is an open source platform for tracing, evaluating and improving AI agents and LLM apps. Teams use production traces, prompt management and evals to find problems and fix them together. It works with any stack and can be used in the cloud or self hosted, aimed at developers shipping AI features.

Langfuse Est. 2023 Germany MADE FOR →Developer | Team
Code | Data Free (Limited) From $29/month