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Langfuse

Open source LLM engineering platform

Y CombinatorWinter 2023AcquiredB2BEngineering, Product and DesignArtificial IntelligenceDeveloper ToolsGenerative AIAnalytics

What they do

Problem

LLM teams lack end-to-end visibility, testing, and performance measurement to reliably debug and improve LLM applications in production.

Solution

Langfuse is an open-source LLM engineering platform providing observability (traces, metrics, analytics), evaluations/experiments, and prompt management across the LLM app lifecycle.

Who it's for

Developers and LLM engineering teams building and operating LLM-powered applications, from startups to enterprises.

Founders

Marc Klingen
Co-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).

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.

Clemens Rawert
Founder

Before starting Langfuse, Clemens worked with the founder-CEOs of German Fintech Unicorn Scalable Capital including a unicorn fundraising, an acquisition and helped scale the org and team from 100 - 400 employees. On another note, he studied Economic History, dropped out of a PhD at Oxford, and was a competitive wine taster.

Company timeline

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