# Substack: how AI models rank it, October 2026

GTM AI Recommendation Index, October 2026 Edition. Named in 2 judge labels across 2 categories by 2 of 14 models. Page: https://gtm-ai-index.com/vendors/substack/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Billing and subscription management | 0% | 53 | 100% | 1 |
| Content marketing platforms | 0% | 116 | 100% | 1 |

## And against it

- "Difficult cancellations, aggressive monetization" (GLM 4.7 FlashX, Billing)
- ""Walled Garden" Distribution (Medium, Substack)... you lose your audience instantly" (Qwen 3.7 Flash, Content marketing)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat. A larger change is movement; a smaller one is noise.

- Billing and subscription management: 0% to 0%, ±0. New · not ranked in September 2026 · rank 53 of 54.
- Content marketing platforms: 0% to 0%, ±0. Inside the floor by 11 points · rank 124 → 116 of 135.

## The company

Substack; https://substack.com/; United States; founded 2017. From Wikidata, fetched 2026-09-14.

## In its own words

What Substack's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: The app for independent voices (https://substack.com/)
- For: independent voices (https://substack.com/)

## What it publishes

Every page substack.com exposes, read 2026-09-29: 65074 addresses. By kind, pages and the last 90 days:

- blog: 1 pages, 0 in the last 90 days, latest 2009-04-18
- webinar or virtual event: 2 pages, 0 in the last 90 days, latest 2025-12-04
- conference or event: 10 pages, 1 in the last 90 days, latest 2026-07-08
- report or ebook: 13 pages, 0 in the last 90 days, latest 2025-08-27
- comparison: 26 pages, 0 in the last 90 days, latest 2025-07-09
- template or tool: 2 pages, 0 in the last 90 days, latest undated
- glossary or explainer: 3 pages, 0 in the last 90 days, latest 2024-12-06
- podcast or video: 33 pages, 1 in the last 90 days, latest 2026-09-10
- news or press: 552 pages, 10 in the last 90 days, latest 2026-09-27
- Recent: 2026-09-27 news or press: News trump steals taxpayer dollars https://aaronparnas.substack.com/p/news-trump-steals-taxpayer-dollars
- Recent: 2026-09-26 news or press: News trump stews over press kimberly https://aaronparnas.substack.com/p/news-trump-stews-over-press-kimberly
- Recent: 2026-09-25 news or press: News trump allies urge martial law https://aaronparnas.substack.com/p/news-trump-allies-urge-martial-law
- Recent: 2026-09-23 news or press: News republicans privately admit https://aaronparnas.substack.com/p/news-republicans-privately-admit
- Recent: 2026-09-22 news or press: News republicans rapidly distance https://aaronparnas.substack.com/p/news-republicans-rapidly-distance
- Recent: 2026-09-22 news or press: News trump erupts at cnn for still https://aaronparnas.substack.com/p/news-trump-erupts-at-cnn-for-still

## 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, October 2026 Edition, gtm-ai-index.com.