# PubMatic: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 10 judge labels across 2 categories by 8 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/pubmatic

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Programmatic and display advertising](https://www.gane.ai/index/gtm/marketing/programmatic-and-display-advertising/index.md) | 0% | 29 | 22% | 9 |
| [Retail media platforms](https://www.gane.ai/index/gtm/marketing/retail-media-platforms/index.md) | 0% | 101 | 0% | 1 |

## What the models said for it

- "PubMatic and Magnite are regularly profiled as top SSPs alongside DSPs." (Muse Glimmer 30B, Programmatic)

## And against it

- "Open marketplaces/exchanges in general (e.g., via SSPs like Magnite, PubMatic, or smaller ones): High risk of fraud" (Grok 4.20, Programmatic)
- "primarily SSPs or publisher platforms, not buyer-facing DSPs" (Perplexity Sonar, Programmatic)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 2 | 0 | 2 |
| GPT-5.4 mini | 0 | 0 | 1 | 0 | 1 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 1 | 1 |
| Grok 4.20 | 0 | 0 | 1 | 1 | 2 |
| Mistral Small | 0 | 0 | 1 | 0 | 1 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 1 | 0 | 1 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 1 | 0 | 1 |
| Muse Glimmer 30B | 0 | 1 | 0 | 0 | 1 |

## Sources returned with these answers

The sites and pages cited by the answers that named PubMatic, from 17 of the 17 answers that named it (only the models that return a source list).

### Domains cited

- improvado.io: 8
- demandbase.com: 6
- programminginsider.com: 5
- webfx.com: 5
- advertising.amazon.com: 4
- taqtics.com: 4
- digiday.com: 3
- getadlib.com: 3
- linkedin.com: 3
- madgicx.com: 3

### Pages cited

- https://demandbase.com/blog/programmatic-advertising-platforms: 6
- https://improvado.io/blog/top-programmatic-platforms: 6
- https://programminginsider.com/top-10-programmatic-advertising-platforms-usa: 5
- https://webfx.com/blog/marketing/top-programmatic-platforms: 5
- https://taqtics.com/answers/programmatic-advertising/programmatic-advertising-platforms: 4
- http://youtube.com/watch: 3
- https://magiclogix.com/theories/best-programmatic-platforms: 3
- https://munro.agency/insights/top-programmatic-advertising-platforms: 3

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.