# Costco: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 1 judge label across 1 category by 1 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/costco

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Retail media platforms](https://www.gane.ai/index/gtm/marketing/retail-media-platforms/index.md) | 0% | 82 | 0% | 1 |

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 1 | 0 | 1 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| 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 | 0 | 0 | 0 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Costco, from 5 of the 5 answers that named it (only the models that return a source list).

### Domains cited

- aidigital.com: 4
- guideflow.com: 4
- getadlib.com: 3
- improvado.io: 3
- osmos.ai: 3
- g2.com: 2
- gocake.shop: 2
- pmg.com: 2
- theretailexec.com: 2
- adtelligent.com: 1

### Pages cited

- https://aidigital.com/blog/retail-media-networks: 4
- https://guideflow.com/blog/retail-media-platforms: 4
- https://getadlib.com/blog/best-retail-media-advertising-platforms: 3
- https://improvado.io/blog/top-retail-media-networks: 3
- https://gocake.shop/blog-post/best-retail-media-ad-tech-platforms: 2
- https://pmg.com/insights-and-news/navigating-the-maze-of-retail-media-platforms: 2
- https://theretailexec.com/tools/best-retail-media-platform: 2
- https://adtelligent.com/blog/best-retail-media-networks: 1

## 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.