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Regulation2026-10-22

Anthropic added AI text watermarks to all text outputs from its latest Claude models. The change lets others check if Claude wrote the text. Anthropic says it complies with the EU AI Act. The EU now requires AI providers in its market to mark AI-generated content. Other major model developers have agreed to add their own watermarks. Claude Myt is one model that already includes the watermark.

What changed

Claude models did not mark their own text as AI-generated.

What it unlocks

Detecting whether text was produced by a Claude model.

Sources

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