ChatGP
AI / LLMby OpenAI
ChatGPT-User
OpenAI's bot used when ChatGPT browses the web in real-time to answer user questions. Unlike GPTBot, ChatGPT-User retrieves live content during a conversation rather than for training. Content fetched by this bot can appear as citations in ChatGPT responses.
Respects robots.txt
Yes
Can be blocked
Yes
Crawl-Delay support
No
Type
AI / LLM
Purpose
ChatGPT live web browsing and plugin retrieval
SEO Impact
Blocking ChatGPT-User removes your pages from being cited in ChatGPT's live browsing mode. Allowing it increases chances of citation in AI-generated answers.
User-Agent String
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0
robots.txt Control
Add "User-agent: ChatGPT-User" with "Disallow: /" in robots.txt.
Block
User-agent: ChatGPT-User Disallow: /
Allow (default)
User-agent: ChatGPT-User Allow: /
Official Documentation
Test your robots.txt against ChatGPT-User
Check which paths are blocked or allowed for each user-agent