Anthropic details Claude’s text watermark: it only shows Claude was likely involved, is sparse in code and factual text, and disappears after a full rewrite (Anthropic)

Anthropic 公布了 Claude 文本水印的技术细节:它只能概率性判断一段文字“很可能由 Claude 生成”,在代码和事实性内容上痕迹稀疏,且被全文改写后即可消除。这意味着文本水印不是万能的 AI 检测器,更像一种有边界的溯源提示。








