Anthropic models will soon inject watermarks identifying AI-generated text

Anthropic said in a support document Tuesday that its future AI models will put an invisible watermark in all text, identifying it as AI-generated. The change comes in response to new AI transparency laws in the European Union, but Anthropic says it will apply in all countries where Claude models are used. No U.S. law currently requires AI-generated content to carry transparency disclosures or watermarks, although a growing number of states, California among them, have enacted AI transparency la

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ethics.ai (11 August 2026), “Anthropic models will soon inject watermarks identifying AI-generated text,” evidence record 18506, https://ethics.ai/record/18506 (originally published by Fast Company Tech).

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