From ARY News · Kumail Shah · · 40s
Anthropic Adds Invisible Watermarks to Claude AI Text
Anthropic adds invisible watermarks to Claude AI text to comply with EU AI regulations.
In brief
Anthropic adds invisible watermarks to Claude AI text to comply with EU AI regulations. Anthropic updates all Claude AI models with invisible watermarks to meet EU AI Act requirements. Originally reported by ARY News.
Anthropic updates Claude AI models

Anthropic adds invisible watermarks to all Claude AI text to meet EU laws.
Watermark rollout timeline
Claude Mythos 5, Opus 4.7, and Sonnet 4.6 outputs include watermarks starting November 16.
Watermark technical details
Watermarks use modified Google SynthID to create hidden patterns that survive copying but not heavy editing.
The main idea
Anthropic updates all Claude AI models with invisible watermarks to meet EU AI Act requirements.





