[Langfuse](https://langfuse.com/) is an [open-source](https://github.com/langfuse/langfuse) LLM engineering platform that enables teams to collaboratively monitor, evaluate, and debug their LLM applications.
[Sign up for Langfuse Cloud](https://cloud.langfuse.com) or self-host Langfuse [Docker Compose](https://langfuse.com/self-hosting/local) to get your Langfuse API keys.
_[Example trace (public) in Langfuse](https://cloud.langfuse.com/project/cloramnkj0002jz088vzn1ja4/traces/cea4ed38-0c44-4b0a-8c20-4b0b6b9e8d73?timestamp=2025-01-31T15%3A52%3A30.362Z&observation=7c8e5807-3c29-4c28-9c6f-7d7427be401f)_