Langfuse
Open source LLM engineering platform
Clemens Rawert, Marc Klingen +1 · 3 co-founders
2026Acquired by ClickHouse
Acquired · 3 yrs independentTeam
19
current
Co-founders
3
current
Stage
Acquired
Source for Acquired by ClickHouse
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/10/2026
About
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.