phoenix is an open-source LLMOps tool published on GitHub by Arize-ai. It has 12k GitHub stars and 1.2k forks, and was last updated in October 2026. Docs and downloads are linked from arize.com.
“AI Observability & Evaluation”
— Arize-ai, project description on GitHub
Details
| Category | LLM Frameworks & MLOps |
|---|---|
| GitHub stars | 11,902 |
| Forks | 1,216 |
| Language | Python |
| Last updated | |
| Owner | Arize-ai |
| Website | arize.com/docs/phoenix |
| Repository | Arize-ai/phoenix |
Tags
agentsai-monitoringai-observabilityaiengineeringanthropicdatasetsevalslangchain
Repository facts from the GitHub public API, refreshed October 18, 2026. The quoted tagline is written by the project owner; the summary above is generated from public facts.