TidyToolsAI Crawler Index · data as of · updated daily

AI Crawler Index · OpenAI · GPTBot

Which .ai websites block GPTBot?

As of 2026-10-02, 3 of the 62 .ai websites whose robots.txt we could read (4.8%) block GPTBot, OpenAI's AI training crawler, on the home page, compared with 12% of all sites; 3 more block it on some paths.

4.8%
of 62 .ai websites block GPTBot
12%
of all sites
3
sites block it

All 3 .ai websites that block GPTBot

#SitePolicyCrawlers blocked
185claude.aiBlocks some AI search4 of 29
6143scite.aiBlocks training only2 of 29
6258mgln.aiBlocks all AI search29 of 29

Popular .ai websites that allow GPTBot

Other AI crawlers and .ai websites

GPTBot in other segments

GPTBot overview · All .ai websites

FAQ

Which .ai websites block GPTBot?
claude.ai, scite.ai, mgln.ai.
How many .ai websites block GPTBot?
As of 2026-10-02, 3 of the 62 .ai websites whose robots.txt we could read (4.8%) block GPTBot, OpenAI's AI training crawler, on the home page, compared with 12% of all sites; 3 more block it on some paths.
How do I block or allow GPTBot on my site?
Add "User-agent: GPTBot" followed by "Disallow: /" to https://<your-site>/robots.txt to block it, or "Allow: /" to allow it. Check the result with the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker.