# MailerCheck: 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/mailercheck/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Email verification | 0% | 40 | 33% | 3 |

## And against it

- "Avoid: Budget tools like Emailable or MailerCheck" (Mistral Small, Email verification)

## 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.