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Google, Anthropic, OpenAI and Microsoft have committed to honoring a new robots.txt directive for opting out of generative AI training.
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- ConfirmedThe directive is based on a proposal under consideration at the IETF, written by Anthropic's Kevin Kelley.
- ConfirmedAnthropic already supports the directive.
- ConfirmedMicrosoft said it will begin supporting the directive on February 1, 2027.
- ConfirmedGoogle said it will support the directive in early 2027.
- ConfirmedOpenAI pledged to implement the signal in the coming months, without a specific date.
- ConfirmedThe directive does not remove content from Google Search and does not undo past scraping.
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