Claude AI text to get hidden watermarks and signed metadata in the EU

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Claude AI text to get hidden watermarks and signed metadata in the EUAnthropic’s Claude will soon leave a hidden trail behind its work as the company has confirmed that newer Claude models will mark generated content from day one. It now plans to apply machine-readable watermarks across supported Claude products. Claude’s AI text will carry an invisible markNew Claude models launched in the EU from August 2, 2026, will support watermarking at launch. Anthropic plans to support the system across Claude, Claude Platform, Claude Code, Claude Cowork, and Claude Tag. Supported models accessed through AWS, Google Cloud, and Microsoft Foundry will also receive text watermarks.