ANTHROPIC said on Aug 11 it has signed the EU AI Act Article 50 guidelines on AI-generated content transparency. Effective Aug 2, Claude models will embed an invisible watermark in generated text; images and other files will carry digitally signed provenance metadata. The marking will cover all major Claude products and access channels — Claude Platform (API), Claude, Claude Code, Claude Cowork and Claude Tag — and apply to cloud partners including AWS, Google Cloud and Microsoft Foundry. ANTHRO

2026-08-12

ANTHROPIC said on Aug 11 it has signed the EU AI Act Article 50 guidelines on AI-generated content transparency. Effective Aug 2, Claude models will embed an invisible watermark in generated text; images and other files will carry digitally signed provenance metadata. The marking will cover all major Claude products and access channels — Claude Platform (API), Claude, Claude Code, Claude Cowork and Claude Tag — and apply to cloud partners including AWS, Google Cloud and Microsoft Foundry. ANTHROPIC said the scheme will be implemented globally across all Claude product lines and partner cloud platforms, not limited to the EU.