Watch+398 this week11,221 · 1,081 forks

AI model monitoring and evaluation tool

Real, but not yet worth your team's attention.

Who it's for

small teams with existing AI models

What it replaces

manual model evaluation and monitoring

The catch

unclear custom license may limit commercial use

Your first hour

Review the LICENSE file and assess licensing implications

Licence check

Custom / check the LICENSE file. GitHub could not identify a standard licence for this repository, which usually means a custom or source-available one. Read the LICENSE file before you build on it.

This is a reading of the licence label, not legal advice.

The numbers

Stars11,221
Forks1,081
Stars added (7d)+398
Open issues925
LanguagePython
LicenceCustom / check the LICENSE file
Last pushUpdated 2 days ago
Project age4 years old

Maintainers describe it as: AI Observability & Evaluation

agentsai-monitoringai-observabilityaiengineeringanthropicdatasetsevalslangchainllamaindexllm-eval

phoenix, in short

Should a small team use phoenix?
Watch. Real, but not yet worth your team's attention. small teams with existing AI models
What does phoenix actually do?
AI model monitoring and evaluation tool
What does phoenix replace?
manual model evaluation and monitoring
What is the downside of phoenix?
unclear custom license may limit commercial use
Can phoenix be used in a commercial product?
Its licence is Custom / check the LICENSE file, which carries obligations or restrictions for commercial use. Read the LICENSE file, and get a lawyer's read before you ship it inside a product you sell.

Weighed against

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Stars, forks, licence and last-push data from the public GitHub API, refreshed August 28, 2026. The verdict is NoizeOff's editorial opinion for a team of 2–20, not advice from the project's maintainers, and not legal advice on licensing. We are not affiliated with Arize-ai.

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