Monitor your AI app's model calls

See, evaluate and debug the calls your app makes to AI models. Instead of Langfuse Cloud.

What you pay now, and what running it yourself takes

Langfuse Cloud Core starts at $29 a month. Includes 100k units a month; usage above that is charged. Vendor page, checked 2026-10-13

The options below are programs you run yourself: you need a server, or an IT provider who runs one for you. Each project's page gives a rough hosting reference where its setup files tell us what it runs. Your own time to run it is not included.

App list checkedWe read its published list of connected apps; when you name apps, we check them against it. We have not run it.
Public facts onlyLicence, last update and source code, from public records. We have not run it.

Licence class2 of 2 projects

					Coverage of your apps	Action
Langfuse Records the requests your AI app sends to its models and the answers it gets back, so a team can debug problems, manage prompts and rate answer quality.	Public facts only	Open source core, paid extras	2026-10-13	35,742	Not computed
Phoenix Records your AI app's model calls so you can inspect and debug them, test prompts and models side by side, and score the quality of answers.	Public facts only	Public code, restrictive licence	2026-10-13	11,818	Not computed