Tag · 4 stories
Every story tagged Watermarking on AI Chat Daily.
Mythos 5, Opus 4.7, Opus 4.6 and Sonnet 4.6 now carry the mark, though the two 4.6 models only do so at default sampling settings.
Developer Guillaume Meyer's override went viral on GitHub with 20,000 X bookmarks and 100+ contributors, exposing the fragility of EU-mandated AI watermarking.
The EU AI Act forces disclosure by August 2, and Anthropic is going further than the law requires — marking edits, translations, and summaries too.
Watermarks apply at the model level, travel through copy-paste, and cover every Claude surface including Code and Cowork.
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