Claude is getting ambitious with watermarking, and I can smell the problems from a mile away

Anthropic wants to make AI-generated text easier to identify, and on paper, I have very little reason to complain. The company is experimenting with an invisible watermark that can be baked directly into text generated by Claude.

It sounds like a sensible idea. AI-generated text is everywhere, and knowing where something came from could certainly help. Moreover, Anthropic isn’t simply hiding a marker somewhere inside a document. Its approach changes how Claude selects words to create a statistical pattern that can later be detected.

But there is one detail that bothers me. Anthropic is testing just how persistent that watermark can be, even after the text has been modified.

That is where I can already smell trouble.

Nadeem Sarwar / Digital Trends Claude touched my writing. Did it actually write it?

Think about translation for a moment. Let’s say someone writes an entire essay themselves in Spanish and asks Claude to translate it into English. The ideas are theirs. The research is theirs. The arguments are theirs. Claude’s only job is translation.

Yet the resulting text could still carry Claude’s watermark.

The same question applies to proofreading.

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