How to Check Whether GPTBot Can Access Your Website
Use the GPTBot Checker to see whether your robots.txt file blocks or allows GPTBot and 70 other AI crawlers from reading your site.
GPTBot is the web crawler OpenAI uses to gather publicly available content for training its AI models. Whether GPTBot can read your site is controlled by your robots.txt file, and it's easy to check without any technical setup.
What GPTBot is
GPTBot is OpenAI's crawler, identified by the user-agent token GPTBot in your server logs and robots.txt rules. Site owners can allow or disallow it independently of other search engine or AI crawlers.
How to check GPTBot access
- Open the GPTBot Checker.
- Enter your website's URL and run a check.
- The tool fetches your site's
robots.txt, evaluates it against GPTBot's user-agent token using the same longest-match, allow-wins-ties logic browsers and crawlers use, and reports whether GPTBot is allowed or blocked. - Along with GPTBot, the same scan checks 70 AI crawler tokens across four categories — model training bots, AI search index bots, user-triggered fetch bots, and agent/research bots — so you can see your site's full AI-crawler access picture in one pass, not just GPTBot.
If GPTBot is blocked and you want to allow it
Add or edit a rule in your robots.txt file:
User-agent: GPTBot
Allow: /
If you want to block it instead, use Disallow: / under the same User-agent: GPTBot line. Changes to robots.txt typically take effect the next time a crawler re-fetches the file — there's no submission step required.
Frequently Asked Questions
What is GPTBot?
GPTBot is the web crawler OpenAI uses to collect publicly available content for training its AI models. It identifies itself with the user-agent token GPTBot.
How can I check if GPTBot is blocked on my site?
Use the GPTBot Checker — enter your URL and it evaluates your robots.txt against GPTBot's user-agent token, along with 70 other AI crawler tokens.
Can robots.txt block AI crawlers?
Yes — robots.txt rules can allow or disallow specific crawlers by user-agent token, including GPTBot and other AI crawlers, the same way it controls access for traditional search engine bots.
Why does AI crawler access matter?
If AI crawlers are blocked, your content generally can't be used to answer questions in tools like ChatGPT, Google AI Overviews, or Perplexity — blocking access opts your site out of that visibility.