Anthropic has confirmed it will embed imperceptible watermarks into text generated by Claude models launched in the EU on or after August 2, 2026 and attach digitally signed provenance metadata to generated files, laying out the commitment in a new support page detailing its compliance plan for the EU AI Act's transparency obligations, which became enforceable August 2, 2026. The watermarking applies to every Claude model launched in the EU on or after August 2, 2026, at launch, and Anthropic…
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