From 3 November 2026, Mythos 5, Opus 4.7, Opus 4.6, and Sonnet 4.6 weave an imperceptible watermark into their output. The mark travels with copied text and may survive editing, but detection runs as a private preview API for regulators, law enforcement, media, fact-checkers, and other EU-obligated organisations. Anthropic's marking programme now lists 16 models. #Cloud #AI
From 3 November 2026, Mythos 5, Opus 4.7, Opus 4.6, and Sonnet 4.6 weave an imperceptible watermark into their output. T...
