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Google, OpenAI, Microsoft and Anthropic to honor shared robots.txt AI-training opt-out

Google, OpenAI, Microsoft and Anthropic said on October 31 they plan to honor a shared robots.txt signal letting websites express AI-training preferences and opt out of having content used for training.

Read the full story at OpenAI News ↗

Timeline · 4 reports

  1. 2026-11-02 21:15 · DEV Community — AI
    Google, Microsoft, OpenAI and Anthropic Back a Shared AI Training Opt-Out Signal
  2. 2026-11-02 19:49 · OpenAI News
    Making it easier for websites to express AI training preferences
  3. 2026-11-02 06:00 · DEV Community — AI
    Google, OpenAI, Microsoft and Anthropic plan to honor shared AI-training opt-out
  4. 2026-11-01 16:44 · r/OpenAI
    OpenAI will honor a shared robots.txt signal so websites can opt out of AI training

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