GPTBot

AI Training Crawler OpenAI robots.txt behaviour unknown

OpenAI GPT web crawler bot

User-Agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.0; +https://openai.com/gptbot)

Allow GPTBot in robots.txt

User-agent: GPTBot
Allow: /

Block GPTBot in robots.txt

User-agent: GPTBot
Disallow: /

Blocking stops your content being used for model training. It does not remove you from AI search results — that's governed by separate search/assistant bots.

Official documentation: https://platform.openai.com/docs/gptbot

Is GPTBot blocked on your site — even by accident?

Free dual-engine check: robots.txt verdicts for all 222 bots plus live User-Agent probes. Finds WAF blocks your robots.txt doesn't show.