Anthropic will add machine-readable watermarks to text generated by new Claude models starting August ...

Anthropic is embedding "imperceptible" machine-readable watermarks directly into text generated by new Claude models, making copied AI output easier to trace as schools, publishers and other ...

Anthropic announced it is introducing machine-readable watermarks to text generated by supported Claude models as it moves to comply with European Union AI transparency rules.

Learn how Claude’s text watermark uses word-choice patterns, why edits can remove it, and why you should use AI output as reference.

Anthropic now marks supported Claude-generated text and files worldwide, adding invisible watermarks and provenance data under new EU transparency rules.