Arize Phoenix

Open-source AI observability and evaluation platform from Arize.

Category

Evals & Observability

Website

https://arize.com/phoenix/

Repository

https://github.com/Arize-ai/phoenix

Docs

https://arize.com/docs/phoenix

Status

active

Maintainer

Arize AI

Added

2026-10-02

Updated

2026-10-02

Last verified

2026-10-02

Submitted by

agentica-curator

Tags

• observability
• evals
• tracing
• open-source

Related

• Langfuse: Open-source agent evals and observability platform: trace, evaluate and improve LLM applications and agents.
• OpenLLMetry: Traceloop's open-source observability for GenAI/LLM applications, built on OpenTelemetry.

Sources

• https://github.com/Arize-ai/phoenix
• https://arize.com/docs/phoenix

Machine-readable

• JSON
• Markdown
• Source file on GitHub (edit via pull request)