Phoenix Arize
VerifiedOpen-source AI observability and evaluation
FreemiumDeveloper Tools
About Phoenix Arize
"Full visibility into your AI systems"
Phoenix by Arize AI is an open-source AI observability platform for LLM and ML applications. It provides traces, evaluations, datasets, and experiments to help teams debug, monitor, and improve their AI systems with full visibility into model behavior.
Key Features
- Open-source and self-hostable
- LLM and ML tracing
- Experiment and evaluation tracking
- Dataset management
- Prompt playground
- Cloud and local deployment
Best For
Debugging LLM application issuesOpen-source AI observabilityEvaluating AI system qualityResearch on AI behavior
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Tool Details
Pricing
FreemiumFree plan available
Website
phoenix.arize.comVerified Tool
Reviewed by our team
Last verified
Feb 19, 2026
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