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cnBetaUpdated Nov 2 15:50

OpenAI, Anthropic, Google, and Microsoft jointly draft a statement rejecting AI training

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OpenAI, Anthropic, Google, and Microsoft have jointly drafted an internet draft: websites only need to add User-Agent: __usage_ai-training and Disallow:/ to robots.txt to declare that all content on the site is prohibited from being used for AI training, and they can also set permissions or prohibitions by directory. The companies' support timelines differ: Microsoft says it will comply starting February 1, 2027, Google plans to support it in early 2027, OpenAI says it will implement it within the next few months, and Anthropic appears to have already begun supporting it. This statement only expresses a content usage preference and will not directly block crawler access; restricting crawling still requires traditional robots.txt rules.

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The draft provides the robots.txt declaration syntax and lists the differing support timelines of the four companies, helping website administrators plan content licensing in advance.

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声明内容如下:

# 全站禁止规则

User-Agent: __usage_ai-training

Disallow:/

# 允许特定目录示例

User-Agent: __usage_ai-training

Allow:/archive/

# 不允许特定目录示例

User-Agent: __usage_ai-training

disallow:/archive/

# 其中允许特定目录与全站禁止不冲突,即允许 /archive/ 但其他目录全部禁止

在网站 robots.txt 文件中添加这段内容即可声明全站内容禁止用于训练 AI 模型,网站管理员也可以修改允许或不允许的目录,例如部分目录允许被用于 AI 训练,部分内容不允许被用于 AI 训练。

各家支持时间不同:

目前该方案仍然是互联网草案,不过微软已经表示该公司会从 2027 年 2 月 1 日开始遵循该声明,所以不想内容被用于 AI 训练的网站现在就可以修改文件添加相关声明。

Google的计划是从 2027 年年初开始提供支持,但具体时间还有待后面准备工作完成。OpenAI 表示会在未来几个月内实施该方案,Anthropic 似乎已经开始支持该草案。

禁止训练和引用内容生成回答属于不同用途:

以上声明仅表达的是网站对内容用途的选择,按照草案说明,单独设置上述声明不会直接阻止爬虫访问网页,如果网站要限制特定爬虫抓取内容,还是要通过传统 robots.txt 规则进行配置。

训练内容与 AI 回答引用网页也属于不同的用途,微软为自家服务额外提供 AI Grounding 控制,供网站决定内容是否允许 AI 生成回答时引用,这项控制针对具体页面且仅适用于微软服务。

Google则表示,如果网站使用上述声明拒绝 AI 训练,但没有明确设置 Google-Extended,Google计划按网站拒绝 Google-Extended 规则处理。Google-Extended 涉及 Gemini 模型训练,也涉及部分 Gemini 回答的网页参考用途。

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