Google, Microsoft, Anthropic, OpenAI back unified AI-training opt-out in robots.txt
Four major AI developers plan to support a single robots.txt signal letting websites block AI training scraping across providers at once.
What to know
- A single 'policy token' in robots.txt would let website owners opt out of AI training scraping across multiple providers instead of listing each crawler separately.
- Google, Microsoft, Anthropic and OpenAI have submitted a draft proposal to the IETF to fold the mechanism into the Robots Exclusion Protocol.
- The opt-out would not apply to models performing 'exclusively non-generative tasks'; Microsoft and OpenAI plan rollout in coming months, Google in 2027.
- Meta has expressed support for the concept but has not committed to implementing it.
“The setting wouldn't apply to models that "perform exclusively non-generative tasks."”
SiliconANGLE, Reporting outlet · SiliconANGLE ↗ · Oct 29
Google Search/AI companyMicrosoft Technology companyAnthropic AI developerOpenAI AI developerMeta Platforms Inc. Technology companyAIPREF working group (IETF) Standards body
How it unfolded 2 developments, newest first · click a bar or a number to jump articlesposts
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Microsoft details separate 'AI Grounding' crawling control
Microsoft said in a blog post it will offer an additional setting called AI Grounding, letting site owners block AI models from accessing pages to answer user queries rather than for training, extending to third-party tools using Microsoft technology.
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A new policy token in robots.txt lets site owners set one AI training preference across major AI providers, though rollout timing varies and the signal isn't enforceable. https:// coywolf.com/news/seo/google-op enai-microsoft-and-anthropic-back-a-shared-robotstxt-ai-training-signal/ # AI # SEO
2 more of the top 3 · 4 posts in this stretch
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OpenAI, Google, Microsoft and Anthropic say they'll honor one shared robots.txt token that opts a site out of AI training. Anthropic supports it now, Google and Microsoft plan to next year, OpenAI in "coming months." Via @theverge.com #AI ✍️ Gloria
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Google, OpenAI, Microsoft et Anthropic adoptent une règle robots.txt commune contre l’entraînement IA https://www. blogdumoderateur.com/google-op en-ai-microsoft-anthropic-regle-robots-txt-commune-contre-entrainement-ia/
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background
Microsoft, Anthropic and OpenAI join Google in backing the standard — SiliconANGLE reported that Microsoft, Anthropic and OpenAI also plan to support the new robots.txt crawling standard, which has already been submitted as a draft to the IETF, while Meta backs the idea but hasn't committed to implementing it.
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Google announces shared AI-training opt-out plan for robots.txt
Google published a blog post announcing plans to support a cross-provider 'policy token' in robots.txt, built on IETF AIPREF working group standards, extending its existing Google-Extended control.
“Today, we're announcing our plans to support a shared AI training control in robots.txt.”
— Google -
first by PPC Land, 13d ago · also Thurrott
2 more headlines
- Google and Bing back one robots.txt rule to opt out of AI training PPC Land · 13d ago
- Anthropic, Google, Microsoft, and OpenAI Agree to Let Sites Opt Out of AI Training Thurrott · 13d ago
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first by SiliconANGLE, 13d ago
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What people are saying 1 voices from 1 site · best of 4 · verbatim
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If you use Google, you’re training its AI. Here’s how to opt out.