# Arize Phoenix: how AI models rank it, September 2026

IT AI Recommendation Index, September 2026 Edition. Named in 2 judge labels across 2 categories by 2 of 12 models. Page: https://it-ai-index.com/vendors/arize-phoenix/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| LLM gateways and observability | 0% | 22 | 0% | 1 |
| ML platforms | 0% | 62 | 0% | 1 |

## What the models said for it

- "Phoenix for evaluation plus Portkey for routing gives you depth without platform lock-in" (Claude Haiku 4.5, LLM gateways)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.