AI infrastructure

Langfuse

Website
Founded 2022Origin source ↗Checked 2026-10-24

Overview

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 joined Clickhouse in Jan 2026 where the founders now continue to build the team.

Company description As recorded 2026-11-08

Founders & team

Previously Finto, langfuse

Company history As recorded 2026-11-08

Marc Klingen

Founder/CEO

Marc has diverse experience across Product, Sales, Business Intelligence and full-stack engineering at companies from large (Google, DHL) to early stage startups. He graduated within the top 1% of his Masters in Management and Computer Science from Technical University Munich. Besides that, he loves to hack on personal project and connect with other builders (something he does not get to too much right now).

Founder profile As recorded 2026-10-24

Maximilian Deichmann

Founder

Max built trading systems at European 5bn Fintech, Trade Republic. He knows the ins and outs of building reliable, scalable systems to handle our customers’ most critical business processes. While Max started out studying Management in undergrad, he quickly found his love for computer science and transitioned into engineer self-taught and with a graduate degree.

Founder profile As recorded 2026-10-24
26team members reported
Source-reported As recorded 2026-10-24

Founded 2022 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedBerlin, Berlin, Germany
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observeddocumentation observedrecent publishing observed