AI support for tracing a production AI workflow to inspect cost, latency, and behavior
Category: Code & Development. Pricing: priced per the vendor's website. Last modified: 2026-09-11.
Langfuse is open-source tooling for LLM observability, tracing, prompt management, and evaluation. Use it for tracing a production AI workflow to inspect cost, latency, and behavior. Traces can contain sensitive input or output and need retention controls.
Not editorially tested: One AI Guide has not published a complete hands-on test record for this tool.
Published by LUMIVEX for One AI Guide.
Editorial lead: Said El Moussaoui. Our methodology is published at /how-we-rate.
Official vendor website: see the vendor link below.
Langfuse is a code & development tool. AI support for tracing a production AI workflow to inspect cost, latency, and behavior.
The One AI Guide catalog currently records Langfuse as priced per the vendor's website. This is a directory summary, not a current vendor quote; always check the vendor's site for the latest plans before signing up.
The catalog does not currently record Langfuse as Free or Freemium. That is not proof that no trial or limited offer exists; check the vendor's site for current options.
Common use cases include tracing a production AI workflow to inspect cost, latency, and and behavior.
The One AI Guide catalog currently highlights these strengths: open-source tooling for LLM observability, tracing, prompt management, and evaluation.