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.
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.
Monitoring item. The full text is not distributed. Extract and source below.