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Developer Tool • Jun 08, 2026
Arize Phoenix
Open-source AI observability and evaluation platform for traces, experiments, prompts, datasets, and debugging.
What it helps you do
- Use this to move AI work from manual judgment to repeatable testing, tracing, metrics, prompt experiments, and quality improvement loops.
Best fit users
- AI engineers, QA teams, platform teams, and product teams responsible for reliability, regression testing, and measurable AI quality.
What to know first
- Representative test cases, logs or traces, target quality metrics, and enough production context to know what good and bad outputs look like.
Environment needed
- Python environment for most workflows, access to model calls or traces, datasets for evaluation, and storage for experiment results when running repeatedly.
Community
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