# Index Exchange: how AI models rank it, September 2026

GTM AI Recommendation Index, September 2026 Edition. Named in 3 judge labels across 1 categories by 3 of 12 models. Page: https://gtm-ai-index.com/vendors/index-exchange/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Programmatic and display advertising | 0% | 52 | 33% | 3 |

## What the models said for it

- "Index Exchange (strong verification)" (Mistral Small, Programmatic)

## And against it

- "buying from an SSP like IX requires incredibly strict blacklisting rules; otherwise, your premium brand may end up next to spam" (Qwen 3.7 Flash, Programmatic)

## Record

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