AXIOS (Simon Hernandez-Arthur) - Anthropic's text watermarks signal new front in AI detection
Anthropic's new models will add machine-readable "watermarks" to Claude-generated text and files to comply with new European Union transparency regulations. Why it matters: Comms teams using Claude to simply clean up, translate, or format human-drafted press releases could stamp those documents with an AI signature. How it works: For models launched in the EU after Aug. 2, Anthropic is marking content in two ways, "wherever Claude is offered, worldwide." - Text watermarks: Claude embeds patterns into the generated text that Anthropic claims are "imperceptible." - File metadata: Generated media files carry digital signatures confirming the asset was processed by Claude. Yes, but: Anthropic highlighted two major limitations to its…