Arize Phoenix
AI observability and evaluation tool for developers
What is Arize Phoenix?
Arize Phoenix is an AI Observability tool. AI observability and evaluation tool for developers. Arize Phoenix is free to use. It is aimed at ai development teams, developers and data analysts.
Arize Phoenix is an open-source tool for AI observability and evaluation. It helps developers track and analyze AI system performance through traces, embeddings, and evaluations. Designed for AI development teams, it supports multiple programming languages and frameworks.
Built for ai development teams, developers and data analysts.
Key capabilities
Features
Run Locally
Deploy
Packages
Python Subpackages
TypeScript Subpackages
Tracing Integrations
Span Processors
JavaScript Integrations
Java Integrations
Platforms
Use cases
- Track application performance and AI system behavior
- Execute AI observability workflows locally
- Deploy AI observability solutions
- Utilize software packages for AI observability
- Leverage Python-specific subpackages for AI observability
- Leverage TypeScript-specific subpackages for AI observability
Who it's for
- AI Development Teams
- Developers
- Data Analysts
Pros & cons
Pros
- Free (open source)
Cons
No documented limitations yet.
Pricing
Free.
Developer & API
Open source· 11.7K stars· 1.2K forks
FAQ
What is Arize Phoenix?
Arize Phoenix is an AI Observability tool. AI observability and evaluation tool for developers. Arize Phoenix is an open-source tool for AI observability and evaluation. It helps developers track and analyze AI system performance through traces, embeddings, and evaluations. Designed for AI development teams, it supports multiple programming languages and frameworks.
Is Arize Phoenix free?
Yes, Arize Phoenix is free to use.
How much does Arize Phoenix cost?
Arize Phoenix is free to use.
Who should use Arize Phoenix?
Arize Phoenix is built for ai development teams, developers and data analysts. Common uses: track application performance and AI system behavior, execute AI observability workflows locally, deploy AI observability solutions and utilize software packages for AI observability.
Is Arize Phoenix open source?
Yes, Arize Phoenix is open source.
What are the best alternatives to Arize Phoenix?
Similar tools on AiByts include Braintrust, Opik, Portkey, Respan and AIWatch.
Details are compiled from Arize Phoenix's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
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