Substack launches tool to identify AI‑written newsletter content

Substack has added a new feature to its platform. The feature reveals authorship of newsletters that use AI. It identifies which newsletters were written with artificial intelligence. Users can see who is employing AI in their content. The tool is aimed at increasing transparency for readers. It targets the media and entertainment sector on Substack. The addition reflects growing interest in AI‑generated writing. Substack may monitor adoption of AI across its newsletter ecosystem.