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AI & Machine Learning

Substack Introduces Pangram-Powered AI Detection Tool for Readers

WireByte Staff · August 9, 2026

Publishing platform Substack has introduced a new feature allowing readers to scan posts exceeding 100 words for potential artificial intelligence generation. Developed in partnership with detection firm Pangram, the tool aims to increase transparency regarding content origins. The rollout coincides with a new disclosure space for creators to clarify their use of automated writing tools, though industry observers note that detection reliability remains imperfect.

Key points

  • Publishing platform Substack launched an artificial intelligence detection feature in partnership with verification firm Pangram.
  • The tool allows readers to scan platform content exceeding 100 words by selecting the option from a post's menu.
  • Substack co-founder and chief executive officer Chris Best stated the update aims to address reader expectations regarding automated content.
  • The platform also introduced a dedicated disclosure space allowing creators to explicitly state their use of automated writing assistance.
  • The detection capabilities launched on web and iOS applications, with Android support scheduled for release soon.

Publishing platform Substack has rolled out a new feature designed to help readers identify artificial intelligence-generated content across its network. The tool, developed in collaboration with detection firm Pangram, is accessible to readers through the menu on posts exceeding 100 words. By scanning text, the system provides an assessment estimating how much of the material was produced or assisted by automated systems.

Alongside the reader-facing scanner, Substack introduced a dedicated disclosure space where creators can explicitly detail how they utilize automated writing assistance. Writers are also able to evaluate their own drafts using the Pangram integration and report inaccurate assessments. According to Substack co-founder and chief executive officer Chris Best, the core objective of the update is to ensure transparency and align reader expectations when engaging with platform material.

The feature became available on web browsers and the iOS application, with an Android rollout slated for a later date. However, industry analysts and media reports highlight that artificial intelligence detection technologies remain inherently imprecise and cannot guarantee absolute accuracy in assessing authorship.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.