Anthropic Plans Global AI Content Watermarking for Claude Starting August 2026

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Anthropic has announced a global plan to embed watermarks in text generated by Claude and attach signed provenance metadata to Claude-generated files, using the C2PA standard. The rollout is tied to compliance with Article 50 of the EU AI Act, with EU-facing Claude models launched on or after August 2, 2026 falling under the new policy first. Older models will be brought into compliance during a transition period, and the approach will eventually apply worldwide across platforms including AWS, Google Cloud, and Microsoft Foundry. Anthropic has cautioned that a detected watermark only indicates content may have been processed by Claude, and its absence does not rule out AI involvement. Technical details on how users and third parties can detect these marks are yet to be published.

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