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Anthropic's Claude Text Watermark Easily Removed via API Parameter

Anthropic is rolling out text watermarking on four more Claude models, but older models such as Claude Opus 4.6 and Sonnet 4.6 can be bypassed via a single sampling parameter.

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Anthropic is rolling out text watermarking on four more Claude models, but older models such as Claude Opus 4.6 and Sonnet 4.6 can be bypassed via a single sampling parameter.