Anthropic to extend text watermarking to older Claude models starting November 3

Anthropic will apply text watermarking to Mythos 5, Opus 4.7, Opus 4.6, and Sonnet 4.6 beginning November 3, extending the practice beyond its earlier watermark rollouts.

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Timeline · 1 report

2026-11-01 16:59 · Mashable AI
Anthropic expands text watermarking to older Claude versions beginning November 3

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