Claude can now leave an invisible mark on your writing, even if you wrote it yourself

[Redaktion]

Anthropic is introducing invisible watermarks directly into text produced by newer Claude models as part of its commitments under the EU AI Act's transparency rules. The markings can survive copy-pasting and some editing, although their presence does not necessarily mean that Claude actually authored the underlying text

https://www.notebookcheck.net/Claude-can-now-leave-an-invisible-mark-on-your-writing-even-if-you-wrote-it-yourself.1365486.0.html