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Definition

GPTBot is OpenAI’s web crawler used to index content for use in ChatGPT and other OpenAI products. It is identifiable via its user-agent string in server logs. Content blocked from GPTBot via robots.txt will not be available for citation in ChatGPT responses. GPTBot access is a prerequisite for ChatGPT citation. Brands that inadvertently block GPTBot — through overly restrictive robots.txt rules or JavaScript-heavy rendering that GPTBot cannot process — eliminate themselves from ChatGPT’s retrieval pool. Verifying GPTBot accessibility is a basic AI SEO audit step.

AI Crawler

Robots.txt

Indexability

Content accessibility

ClaudeBot

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