New Standards
One Robots.txt Rule to Opt Out of AI Training: What Google, OpenAI, Anthropic and Microsoft Just Agreed
Google, OpenAI, Microsoft and Anthropic agreed on 30 Oct 2026 to support one shared robots.txt signal for opting out of AI training. Here is how the __usage_ai-training token works, what it does not cover, and what to do now.
Rahul Sharma
11 min
