Invisible watermarks will be woven directly into text generated by Claude models. It will not alter the meaning, quality, or readability of a response and can travel with the text when copied elsewhere, potentially persisting through some editing.

All CollectionsPrivacy and legalHow Claude marks AI-generated content Updated todayAnthropic has signed the EU AI Act's Article 50(2) Code of Practice on Transparency of…

This move is part of the company's effort to comply with the EU regulation and transparency requirements for AI.

EU rules cited as reason for effort to trace AI output ancestry