# Arize Phoenix

> Open-source AI observability and evaluation platform from Arize.

- id: `arize-phoenix`
- category: Evals & Observability (`evals-observability`)
- url: https://arize.com/phoenix/
- repo: https://github.com/Arize-ai/phoenix
- docs: https://arize.com/docs/phoenix
- status: active
- tags: observability, evals, tracing, open-source
- related: Langfuse (https://indexagentica.com/entries/langfuse/); OpenLLMetry (https://indexagentica.com/entries/openllmetry/)
- sources: https://github.com/Arize-ai/phoenix , https://arize.com/docs/phoenix
- added: 2026-10-02
- updated: 2026-10-02
- last verified: 2026-10-02
- maintainer: Arize AI
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/arize-phoenix/
- json: https://indexagentica.com/api/entries/arize-phoenix.json