Langfuse GmbH
About
Langfuse offers an open-source LLM engineering platform designed to help developers debug AI applications and agents. It provides observability, prompt management, evaluation, and experimentation capabilities to improve cost, latency, and quality. The platform serves over 100,000 engineers building on Langfuse, with adoption by 19 of the Fortune 50.
Technology stack
detected 2026-06-16Est. monthly stack spend~$520/mo
CDN
Vercel
Email
Google Workspace
HostingVercel
Stack
Next.js
Tailwind CSS
Analytics
Google Analytics 4
Google Tag Manager
Support
HubSpot
Compliance
SOC 2
HIPAA
ISO 27001
GDPR
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Frequently asked
What does Langfuse GmbH do?
Langfuse offers an open-source LLM engineering platform designed to help developers debug AI applications and agents. It provides observability, prompt management, evaluation, and experimentation capabilities to improve cost, latency, and quality. The platform serves over 100,000 engineers building on Langfuse, with adoption by 19 of the Fortune 50.
How much funding has Langfuse GmbH raised?
Langfuse GmbH has raised a total of $3M in funding. The most recent round on record is Seed.
Where is Langfuse GmbH headquartered?
Langfuse GmbH is headquartered in Berlin, Germany.
When was Langfuse GmbH founded?
Langfuse GmbH was founded in 2023.
What industry does Langfuse GmbH operate in?
Langfuse GmbH operates in MLOps, Observability, Developer Tools, API Platform, Foundation Model, Large Language Model.
How many employees does Langfuse GmbH have?
Langfuse GmbH has approximately 19 people on record.