Langfuse

Open source LLM engineering platform

B2BEngineering, Product and DesignDeveloper ToolsGenerative AIAnalyticsOpen SourceAI https://langfuse.com ↗

Company facts

Early-stage
Founded
2023
Employees
19
Headquarters
Germany

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.