Langfuse

LangfuseLangfuse
Langfuse

Langfuse

Open-source LLM engineering platform for debugging, monitoring, and improving production-grade LLM applications.

2022Active21
Rate

About

Langfuse is an open-source LLM engineering platform designed to help teams build and improve production-grade LLM applications faster. It addresses key challenges such as debugging complex workflows, monitoring costs and latencies, and assessing output quality, providing comprehensive tools for the entire LLM application lifecycle.

Technology stack

detected 2026-07-02
CDN
Vercel
EmailGoogle Workspace
Hosting
Vercel
Stack
Next.jsTailwind CSS
Analytics
Google Analytics 4Google Tag Manager
Support
HubSpot
Compliance
SOC 2HIPAAISO 27001GDPR
Comments

No comments yet. Be the first to share your take.

Frequently asked

What does Langfuse do?

Langfuse is an open-source LLM engineering platform designed to help teams build and improve production-grade LLM applications faster. It addresses key challenges such as debugging complex workflows, monitoring costs and latencies, and assessing output quality, providing comprehensive tools for the entire LLM application lifecycle.

How much funding has Langfuse raised?

Langfuse has raised a total of $3M in funding. The most recent round on record is Seed.

Where is Langfuse headquartered?

Langfuse is headquartered in Berlin, Germany.

When was Langfuse founded?

Langfuse was founded in 2022.

What industry does Langfuse operate in?

Langfuse operates in MLOps, Observability, Developer Tools, API Platform, Foundation Model, Large Language Model.

How many employees does Langfuse have?

Langfuse has approximately 21 people on record.

What is Langfuse's revenue?

StartupHub estimates Langfuse's annual revenue at $3.6M (range $2.3M to $4.4M, 64% confidence), based on comparable companies in the sector.

What is Langfuse's valuation?

StartupHub estimates Langfuse's effective valuation at $9.6M (range $6.3M to $15.0M, 11% confidence), based on comparable companies in the sector.