Company

Langfuse

Langfuse develops an open-source AI engineering platform for teams building LLM and agent applications. Its offerings include tracing and observability, prompt management, evaluations, datasets, experiments, and human annotation, with self-hosting and SDK/OpenTelemetry integrations. It serves developers and engineering teams building production AI applications.

Linked from langfuse.com · checked 29 Oct

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Status: Acquired; Checked 29 Oct 2026
Y Combinator: Winter 2023; Batch W23
Based in: Distributed; Source ↗
Founded: 2023; Source ↗
Tools listed: 1

Tools from Langfuse

Langfuse
Open-source platform for tracing, evaluating, and improving LLM and agent applications
Coding · Sign up · Checked 29 Oct 2026
Free Hobby plan; Core from $29/monthUsage above included units is billed per 100k units. Discounts available for startups, students, non-profits, and open-source projects.

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