October 30, 2026
__usage_ai-training: this robots.txt line blocks AI training - Anthropic is already adopting it

A single line in robots.txt keeps a site out of model training, and OpenAI promises to honor it in the coming months.
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October 30, 2026

A single line in robots.txt keeps a site out of model training, and OpenAI promises to honor it in the coming months.
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