AI Matters
Why it matters
Anthropic to watermark all Claude-generated text and images
The Decoder Anthropic watermarks all Claude outputs globally with marks that "may persist through some editing"
Anthropic announced it will embed invisible watermarks in all Claude-generated text and sign files using the C2PA metadata standard.
Why it matters
This global rollout helps users and platforms verify whether content was AI-generated, aligning with new European transparency regulations.
Latest brief · Aug 11, 2026