#Entropy

Claude Now Watermarks Its Text. The Mark Hides Where the Model Hesitates — and 'Only the EU Mandates This' Is Wrong

Anthropic says the watermark adds no characters, no tokens, no cost, and readers can't tell the difference — so what does it actually change? The moment the model picks a word. I also checked the assumption that only the EU mandates watermarking: China was 11 months earlier, and California lands on the exact same day as the EU.