Coders Say They Already Found Workarounds to Claude’s Invisible Watermarks
Anthropic announced last week it would include invisible watermarks in AI-generated content to comply with new EU rules. Within hours, overrides were being touted online.
How it resolved
Will Anthropic publicly address the Claude watermark bypass reports by August 27?
Resolved YesResolved by Aug 27, 2026
In a statement to WIRED, a spokesperson for Anthropic said: 'We're adding marking to Claude's output to comply with the EU AI Act, and other labs are taking similar steps. It's hard to identify AI-generated text, and this gives people better tools for identification. Text from supported Claude models, including output from Claude Code, will carry an invisible watermark, and it doesn't change the meaning, quality, or readability of Claude's responses. We also plan to ship a text-detection API so users can do more of this themselves.' — Published Aug 19, 2026, which is on or before the resolution date of 2026-08-27.
Get smart on it
An AI company announced it would add invisible watermarks to its generated content to comply with new EU regulations requiring synthetic material to be machine-detectable as AI-made. Within hours, independent developers published code that removes these watermarks, which has since spread widely online with thousands of bookmarks and contributions. The developers cite various reasons for their workarounds, including disagreement with mandatory watermarking, concern about false positives, and the technical challenge itself. The EU's new rules require AI providers to label synthetic content or face fines, though the rules do not legally restrict independent tool creators from developing removal methods.
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