Anthropic has signed the EU AI Act’s Article 50(2) Code of Practice on Transparency of AI-Generated Content and is implementing that commitment in its models. Claude models launched on or after August 2, 2026 embed a machine-readable mark in generated output: text receives an imperceptible water...
Source: [Dev.to](https://dev.to/hassann/how-claude-marks-ai-generated-content-245a)