# ARX Data Anonymization Tool: how AI models rank it, October 2026

IT AI Recommendation Index, October 2026 Edition. Named in 3 judge labels across 1 categories by 3 of 14 models. Page: https://it-ai-index.com/vendors/arx-data-anonymization-tool/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Data masking and test data management | 4% | 11 | 0% | 3 |

## What the models said for it

- "start with Microsoft Presidio or ARX, as they are both mature, well-supported, and widely used in production environments" (Mistral Small, Data masking)
- "open-source tools like ARX or Microsoft Presidio are typically the best starting points" (Grok 4.1 Fast, Data masking)
- "Best suited for research and limited-scope use cases." (Muse Glimmer 30B, Data masking)

## 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, October 2026 Edition, it-ai-index.com.