AIThe Decoderabout 1 hour ago
Anthropic Adds Watermarks to Four Older Models
4 min read
Anthropic retrofits four older Claude models with text watermarks by November 16, 2026, to meet the EU AI Act deadline. The rollout covers Opus 4.6, Opus 4.5, Sonnet 4.5, and Haiku 4.5. Users can bypass the watermark on Opus 4.6 and Sonnet 4.6 by tweaking sampling parameters like temperature, topp, and topk away from defaults.
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In this storyAnthropic
