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Substack adds an AI detector to help spot blogs written by no one

Substack is integrating Pangram’s AI detection software to help readers identify machine-generated content. The new feature scans posts, notes, and comments longer than 100 words to estimate the proportion of AI assistance used in drafting. This gives developers and readers a built-in mechanism to audit publishing authenticity across the platform.

The Verge·Jul 21, 2026

Opening Kapyn…