AI Matters
Why it matters
Anthropic to add invisible watermarks to all Claude AI outputs
The Decoder Anthropic watermarks all Claude outputs globally with marks that "may persist through some editing"
Anthropic announced it will embed invisible, edit-resistant watermarks in all text and files generated by its Claude models globally.
Why it matters
This makes it easier to identify AI-generated text and files, helping combat misinformation and comply with upcoming digital transparency laws.
Latest brief · Aug 11, 2026