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Substack

Company substack.com Covered in 12 stories + Follow ✴ AI Graph LinkedIn

Substack (company) is a newsletter platform that has recently rolled out an AI detection feature integrated with Pangram technology to estimate whether newsletter text and related content were written by humans or generated with AI. Coverage describes the tool’s rollout as part of a Pangram partnership aimed at increasing transparency about content provenance, including optional creator disclosure notes and reader-facing AI score indications. The feature has also drawn criticism and debate among users, with concerns raised about the reliability of AI detectors and the potential for false positives.

Updated 16 September 2026

Signals

2 stories (-78%)

Media momentum

As of 17 Sep 2026 · Visible stories in the last 30 days, compared with the 30 days before.

7 sources

Source diversity

As of 17 Sep 2026 · Distinct publications behind this entity's visible coverage.

Release activity

As of 17 Sep 2026 · Model, product and open-source release events in the last 90 days whose coverage involves this entity.

2 events

Funding signals

As of 17 Sep 2026 · Funding and acquisition events in the last 90 days whose coverage involves this entity.

Jul 2026 → Sep 2026

Coverage span

As of 17 Sep 2026 · First to most recent month of TLDRocket coverage of this entity.

Management

updated 2 Sep 2026

Recent changes

  • Jairaj Sethi Co-Founder & CTO → CTO

Latest developments

Timeline

Month Quarter Year

Q3 2026

Pangram and Substack announce a partnership Partnership

Pangram raised $9 million and partnered with Substack to deploy AI-content detection and labeling for newsletters Funding

Snapchat adjusts Spotlight recommendation algorithm to deprioritize fully AI-generated content Feature update

LinkedIn introduces reporting button and content moderation measures to combat AI-generated content Feature update

Pangram raises $9 million Series A funding for AI-generated content detection technology Funding

Substack launches AI detection tool powered by Pangram Feature update

Relationships

Products & technology

Partnerships

  • Partnered with Pangram · 2 sources
  • Pangram partnered with this company · 2 sources

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