Langfuse is the open source LLM Engineering Platform. It provides observability, metrics, evals, prompt management and a playground and to debug and improve LLM apps.
Langfuse is open. It works with any model, any framework, allows for complex nesting and has open APIs to build downstream use cases.
Docs:
langfuse.com/docs
Github:
github.com/langfuse/langfuse
