Anthropic 详解 Claude 文本水印机制
Anthropic 公布 Claude 文本水印的技术细节与局限，用于满足欧盟 AI 法案，用户反应两极。
Anthropic 发博文解释 Claude 文本水印的运作方式：通过低风险选词嵌入隐藏模式，读者无感但持有密钥者可检测。轻编辑难以去除，完全重写可去掉。代码水印影响很小。其他模型开发商也将采用类似方案，以符合欧盟 AI 法案透明度要求。
正文摘录
Anthropic published [a blog post](https://www.anthropic.com/news/claude-text-watermark) Friday seeking to answer some basic questions about how it will watermark the text generated by its chatbot Claude. Such as: How will the watermarking actually work? Can it be hidden with editing? And how does this affect code? Claude users have been debating the move since the company [revealed earlier this week](https://techcrunch.com/2026/08/11/anthropic-says-it-will-watermark-text-generated-by-its-ai-models/) that it would be doing this watermarking to comply with the EU AI Act’s Transparency Code, which requires AI companies to use systems that make it possible to identify AI-generated content. On Reddit, for example, one poster [characterized this as a conspiracy against innocent Claude users](htt…