# PostKnock: how AI models rank it, September 2026

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

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Print | 2% | 11 | 0% | 1 |

## What the models said for it

- "Best Overall for Zero Upfront Cost: PostKnock" (Qwen 3.7 Flash, Direct mail)

## 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.