I prompted ChatGPT, Claude, Perplexity, and Gemini and watched my Nginx logs
SMRTR summary
A developer tested major AI chatbots to determine whether they fetch web pages live or answer from pre-built indexes by monitoring server logs during targeted prompts. ChatGPT, Claude, Perplexity, and others actively retrieved pages with identifiable user-agents, while Gemini relied entirely on Google's existing search index without making live requests, and Copilot plus Grok appeared as regular browsers making them undetectable in server logs.
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