Langfuse
Open-source LLM observability and tracing
Berlin, Germany
Founded 2023
Langfuse is an open-source observability platform for LLM applications. It allows users to debug, analyze, and improve their language model applications with traces, spans and metrics. Langfuse serves enterprises and is built on agents, evals, and tracing technologies.
Websites:
Last Updated: April 9, 2026
Current Valuation
No valuation data available
Funding Summary
$4M
Total reported funding
Media Mention
June 23, 2026
DEV Community: Runcap vs Langfuse vs LiteLLM: Which One Actually Stops a Runaway AI Agent? - DEV Community
Media Mention
June 20, 2026
DEV Community: CortexOps vs Langfuse: Open Source AI Observability Compared - DEV Community
Media Mention
June 19, 2026
DEV Community: Langfuse alternatives: 6 LLM observability tools, sorted by the thing that bites you in month eight
Media Mention
June 16, 2026
Shopware: LLM Observability with LangFuse: Tracing & Evaluations for Shopware | Shopware
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Key People
Core OSS Projects
Business Information
Category
LLMOpsTechnologies
LLMsObservabilityevalsTraces
Sectors
Enterprise
Licenses
MIT-Expat
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