Topic

How AIs choose sources

Which sources and brands ChatGPT, Gemini and Google cite in their answers, and what the data shows about that choice.

Updated 13 Nov 2026 · 3 pieces

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GEO

How ChatGPT, Gemini and Google choose which sources and brands to cite

An AI with search runs several searches, retrieves pages and picks which ones to cite. Why each engine picks different sources, what query fan-out is, and why ranking on Google doesn't guarantee the AI Overview. 13 Nov 2026

Studies and data

Weekly index Reddit in AI search How much each AI model cites Reddit in its answers, week by week, and where that presence is changing. Weekly index YouTube in AI search How much each AI model cites YouTube in its answers, week by week, and where that presence is changing.