Anthropic watermarks Claude text to comply with EU AI Act

Anthropic will embed invisible watermarks in all future Claude models, effective August 2, 2026, to comply with the EU AI Act. The method, based on Google's SynthID, has no practical impact on output quality and adds no cost.
How this story unfolded
2 weeks · 23 reports · 32 community posts · 55 of 64 shown
- Aug 10
- Aug 11
Anthropic says it will watermark text generated by its AI modelstechcrunch.com
Claude will apply invisible watermarks to AI text and imagestheverge.com
Anthropic Posts ‘How Claude Marks AI-Generated Content’ Without Explaining How Claude Marks AI-Generated Contentsupport.claude.com
Anthropic’s watermark survives copy-paste, but not the real dev workflowthenewstack.io
- Aug 12
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