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Morning Edition · Thursday, September 10, 2026Published at 2:24 AM EDT · New York
Watermarking Moves From Optional Safety Feature to Default Model Plumbing
Anthropic now watermarks Claude's text output and has published how the method works, as European transparency rules push provenance signals into generation itself.
Anthropic published an explanation of how Claude's text watermark works, addressing whether the method changes Claude's outputs and why the company made the change. Text watermarking works by biasing token selection in a way a detector can…
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