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Claude now watermarks everything it writes, and you're the one who can't check

Starting November 3, Anthropic extends its invisible text watermark to Mythos 5, Opus 4.7, Opus 4.6 and Sonnet 4.6. Every model released since August already has it. It applies worldwide, not just in the EU, and paying users can't opt out. Here's what that means in practice: Use Claude to proofread…

Read the full story at r/ClaudeAI ↗

Timeline · 1 report

  1. 2026-10-30 20:48 · r/ClaudeAI
    Claude now watermarks everything it writes, and you're the one who can't check

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