What is Langfuse?

Answer

About Langfuse

Langfuse is open-source LLM engineering platform.

Open-source LLM engineering platform. Langfuse provides traces, evals, and prompt management for LLM apps — fully open-source and used by thousands of indie AI builders.

Source

This answer is drawn from the Langfuse listing on Startup Spotlight, last updated May 25, 2026. For the full profile, see the Langfuse listing.

Other questions about Langfuse

• Who founded Langfuse?

  Langfuse was founded by Maximilian Deichmann.

• When was Langfuse launched?

  Langfuse launched in 2023.