GPTBot vs ChatGPT-User/2.0: Which AI Crawler Should You Allow or Block?
Complete side-by-side comparison of GPTBot (OpenAI) and ChatGPT-User/2.0 (OpenAI): user-agent strings, safety ratings, SEO impact, and copy-paste blocking rules. Updated August 2026.
Quick Verdict
GPTBot has the better safety profile (Safe) compared to ChatGPT-User/2.0 (Aggressive). If you allow only one, GPTBot is the lower-risk choice. ChatGPT-User/2.0 warrants closer monitoring in your server logs, and server-level blocking if robots.txt directives are not respected.
| Attribute | GPTBot | ChatGPT-User/2.0 |
|---|---|---|
| Operator | OpenAI | OpenAI |
| User-agent string | GPTBot |
ChatGPT-User |
| Category | AI & LLM Bots | AI & LLM Bots |
| Safety rating | Safe | Aggressive |
| SEO impact if blocked | Low - No SEO ranking impact | Low - No SEO ranking impact |
| Recommendation | Generally safe to allow; provides legitimate crawling value. | Block this bot - it provides no SEO benefit and wastes crawl budget. |
| Official docs | GPTBot docs | Not published |
What is GPTBot?
OpenAI's web crawler. Used to collect training data for GPT models. Blocking it prevents your content from being used to train ChatGPT but does not affect search visibility.
Full GPTBot guideWhat is ChatGPT-User/2.0?
Version 2.0 of the ChatGPT-User agent, representing updated browsing capabilities of the ChatGPT model.
Full ChatGPT-User/2.0 guideHow to block each bot
Block GPTBot in robots.txt
User-agent: GPTBot Disallow: /
Block ChatGPT-User/2.0 in robots.txt
User-agent: ChatGPT-User Disallow: /
Want to block or allow many bots at once? Use our free robots.txt generator with 196+ bot presets, then verify with the AI crawler checker.
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