Claude Opus 4.7 identified a writer from 125 words she'd never published

Kelsey Piper, a writer at Vox's Future Perfect, pasted 125 words of an unpublished political column into Claude Opus 4.7 last week and got her own name back. She hadn't logged in; the test was run in Incognito mode, confirmed through the API, and repeated on a friend's computer. — Read the rest The post Claude Opus 4.7 identified a writer from 125 words she'd never published appeared first on Boing Boing.