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technology · 2 outlets · 2 linked reports

Substack Adds AI-Writing Scores for Posts and Comments

2026-07-22

AI-assisted: summaries and questions may be incomplete or incorrect. Verify important details with the linked original reporting.

Summary

Substack added a Scan for AI text tool powered by Pangram.
The tool estimates how much text appears human-written or AI-assisted.
It works on eligible posts, notes, replies and comments published from July 21 onward.
Writers can disable detection, but readers will see that scanning is unavailable.

The question

Should readers see AI-detection scores on every long newsletter post?

Original reporting

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