Substack
NewThe app for independent voices
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
- Substack ranks #55 of 55 in Email Marketing with an AI visibility score of 0 (SlateIndex, Nov 2, 2026).
- Substack is most visible on ChatGPT (0) and least on Perplexity (0).
- AI engines name Substack in 0 of the 30 Email Marketing buyer prompts SlateIndex tracks.
About
Company details for Substack
Substack is a publishing platform where writers, journalists, podcasters and video creators publish free newsletters, video and podcasts, and charge subscribers for paid content. Creators keep 90% of their revenue, and they own their mailing list and subscriber payments. Subscribers find new publications through recommendations, notes and collaborations on the platform. It ranks #55 of 55 in Email Marketing on SlateIndex and has a visibility score of 0 in the latest weekly run.
It has raised about $200M. Its differentiator: built-in discovery network: over 30% of paid subscriptions come from within Substack's network.
- Website
- substack.com
- Categories
- Email Marketing
- Founded
- 2017
- Company type
- Private, venture-backed
- Funding
- Series C · $200M raised
- Platforms
- Apple TV, Google TV
- Support
- Help center, Resource center, Community and programs
Read from research.contrary.com, g2.com, substack.com, niusleters.com, sacra.com, vn.tradingview.com · refreshed Nov 2, 2026.
AI visibility
Latest weekly run · Nov 2 · next run Nov 9
Visibility score trend
Weekly runs over the last 60 days, with up to 7 competitors. Click a name to hide or show its line.
Changes appear after the second weekly run in Email Marketing. Mailchimp leads the category at 45.4%.
Media
Website and product screenshots for Substack
AI mentions & citations
Recent answers that name Substack
No mentions in the latest run.
Products & features
What Substack sells
Substack newsletters
Free and paid newsletter publishing with built-in subscriptions and payments.
Substack TV
App for Apple TV and Google TV.
Recording Studio
Built-in podcast and video recording on desktop.
Substack Defender
Legal support for publishers, including legal fees, advice and pre-publication review.
Target market & buyers
Independent writers, podcasters, video creators and media companies
| Industry | Primary use case |
|---|---|
| Media | Running a newsroom with multiple writers, sections and podcasts, with payments and subscriber management handled by Substack |
| Food | Publishing recipes and food writing to paid subscribers |
| Finance | Publishing finance writing to paid subscribers |
| Local news | Publishing local news to paid subscribers |
| Education | Teaching courses and sharing research with paying subscribers |
Funding & recent developments
Funding
| Round | Year | Amount |
|---|---|---|
| Seed | 2018 | $2M |
| Series A | 2019 | $15M |
| Series B | 2021 | — |
| Series C | 2025 | $100M |
| Latest known round | Total raised |
|---|---|
| Series C | $200M |
Recent developments
- Oct 2026PartnershipSinclair launches The National Press on Substack
Sinclair announced a subscription national news brand, The National Press, on Substack.
- Mar 2026ProductBuilt-in Recording Studio on desktop
Substack launched a built-in Recording Studio on desktop.
- Jan 2026ProductSubstack TV launched
Substack launched Substack TV, an app for Apple TV and Google TV.
- Jul 2025FundingSeries C funding of $100M
Substack raised a $100M Series C led by Bond and The Chernin Group at a $1.1B valuation, with Andreessen Horowitz also taking part.
Cite as: SlateIndex, “Substack AI visibility profile”, https://slateindex.ai/brand/substack, data of Nov 2, 2026. Licence: CC BY 4.0.