Langfuse

Open source LLM engineering platform

Based based in Berlin, Berlin, Germany, Langfuse works in b2b.

Profile

Traces, evals, prompt management and metrics to debug and improve your LLM application.
Onboard via https://langfuse.com

Langfuse helps you build and improve LLM applications across the entire lifecycle:
- Develop: Observability, Langfuse UI & Prompt Management
- Monitor: Traces, Analytics, Metrics & Evaluations
- Test: Experiments, Releases & Datasets

We are hiring: https://langfuse.com/careers

Langfuse was acquired by Clickhouse in January of 2026.

As a business in b2b, Langfuse is listed here with the public details available about it.

The business is associated with Berlin, Berlin, Germany.

It is recorded at the Winter 2023 stage.

Recorded headcount: 19 employees.

Website: langfuse.com