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Does Anthropic’s watermark rollout leave a bypass on Claude Opus 4.6 and Sonnet 4.6?

ReportedLast checked
AnthropicFirst seen

Verdict

The Decoder covers the loophole; primary Anthropic docs not re-opened in this run.

Evidence timeline · 1 source · newest first

  1. Unconfirmed → Reported

  2. Unconfirmed

    The Decoder reports Anthropic is expanding text watermarking ahead of the EU AI Act deadline, but on Claude Opus 4.6 and Sonnet 4.6 developers can still bypass the watermark. Primary Anthropic docs were not re-opened in this run.

    Source: The Decoder
Quick answers
Has Claude watermark loophole on Opus/Sonnet 4.6 confirmed it?
No. Neither Claude watermark loophole on Opus/Sonnet 4.6 nor Anthropic has confirmed it as of Nov 2.
How we label rumors
Unconfirmed
Circulating with at least one public source we can link to; no official confirmation.
Reported
Reported by a news outlet; not confirmed by the company.
Confirmed
Confirmed by the company or another official source.
Debunked
Denied by the company, retracted by the original source, or shown to be false by the evidence.

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