ChatGPT Citation Share - January 2026
The Most Cited Domains on ChatGPT in January 2026
Based on Promptwatch data from Jan 1 - Jan 31, 2026. Citations tracked from real prompt responses using ChatGPT Search when triggered in the UI.
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How we collect this data
We collect millions of prompt responses, citations, and click data from the actual user interfaces of major AI platforms — over 1 billion data points and growing. This gives us one of the largest and most authentic datasets on how AI search engines cite sources and recommend brands.
Real UI monitoring
We collect data from the interfaces of ChatGPT, Gemini, Perplexity, Claude, AI Overviews, and more — the same results hundreds of millions of users see daily.
1B+ data points
Our dataset spans over 1 billion analyzed citations, prompts, and responses — giving us one of the largest AI search datasets available.
Aggregated & public
We publish these reports freely so the GEO and AI search community can learn from the data. All reports are based on aggregated, non-identifiable trends.
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