Regulation2026-10-27

OpenAI will honor a shared robots.txt signal for AI training preferences. The signal lets website operators set one rule for all participating providers. It replaces the need to maintain separate rules for each crawler. OpenAI will keep its existing crawler controls in place. The change draws on work by the IETF AI Preferences working group. OpenAI aims to implement it in the coming months. It encourages other AI providers to adopt the signal.

What changed

Website operators had to set separate rules for each AI provider's crawler.

What it unlocks

Website operators can now set one AI training preference for all participating providers.

What you need to act on it

  • implementation in coming months

Sources

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