# Substack's New Tool Tells You Who's Been Writing Their Newsletters with AI

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-07-22T16:23:09.000Z  
> **Category:** PRODUCT_LAUNCH  
> **Impact Score:** 90/100  
> **Primary Source:** [TechCrunch AI](https://techcrunch.com/2026/07/22/substacks-new-tool-tells-you-whos-been-writing-their-newsletters-with-ai)  
> **Canonical Citation:** [https://spidits.com/timeline/substack-s-new-tool-tells-you-who-s-been-writing-their-newsletters-with-ai](https://spidits.com/timeline/substack-s-new-tool-tells-you-who-s-been-writing-their-newsletters-with-ai)

## Executive Summary
Substack is giving readers a way to estimate how much of a newsletter was written by AI, signaling a broader shift toward transparency around AI-assisted.

## Why It Matters (Strategic Analysis)
Crucially, this shifts the narrative toward responsible AI adoption, encouraging creators to disclose AI-assisted writing and fostering trust in user-generated content.

## Referenced Coverage & Sources
- **[TechCrunch AI](https://techcrunch.com/2026/07/22/substacks-new-tool-tells-you-whos-been-writing-their-newsletters-with-ai)**: Substack's new tool tells you who's been writing their newsletters with AI — _Substack is giving readers a way to estimate how much of a newsletter was written by AI, signaling a broader shift toward transparency around AI-assisted..._

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*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*