Anthropic to Implement Watermarking for AI-Generated Text to Meet EU Regulations

Aug 11, 2026

AI Summary

Anthropic has announced it will watermark text produced by its AI models, including Claude, to comply with European regulations. This measure aligns with the EU AI Act’s Transparency Code, which mandates that AI-generated content be identifiable.

Anthropic will watermark text generated by its AI models to comply with the EU AI Act’s Transparency Code, effective August 2.
All models released after this date will automatically include watermarking technology for both text and files, utilizing the C2PA open standard for files.
The watermark will remain with the text when copied and pasted, and may persist through some editing, as it is applied at the model level.
The watermarking feature will be available across various products including Claude platform API, Claude, Claude Code, Claude Cowork, and Claude Tag.
Other AI companies, such as Google, Meta, Microsoft, and OpenAI, are also implementing similar measures to adhere to the EU regulations.

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Anthropic to Implement Watermarking for AI-Generated Text to Meet EU Regulations

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