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AI and LLMsOct 31, 2026, 1:04 AM ET8 min read

Bing will let sites block AI training but keep AI answers, as rivals back one robots.txt token

A single robots.txt group now carries a site's AI training preference to several AI companies. Microsoft went further and split training from grounding, the step where a page feeds a live AI answer. For B2B brands, those two switches now have very different costs.

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