It’s getting harder to prove you’re human — and this ‘solution’ is only making it worse

Anthropic has started marking text generated by its newest Claude models with an invisible watermark that can travel with the text after it leaves the chatbot. Copy a Claude response into a document, paste it into a website, drop it into a codebase, and the mark may still be there. Anthropic says models launched on or after August 2 support machine-readable marking at launch, and the company is applying those markings wherever Claude is offered worldwide, while it is adding support to older models as well.

There is a perfectly defensible reason for doing this. The internet is filling up with synthetic text, images, audio, and video, and some method of establishing where that material came from could be useful. Anthropic also deserves credit for attempting