
Observatory · October 2026
ChatGPT: 28.5% of Cited Sources Are Rankings
ChatGPT takes 28.5% of the sources it cites on buying questions from rankings and comparison pages, based on 113,842 answers collected between July and October 2026 (Archipel Observatory).
Updated
28.5%
Go further →ChatGPT takes 28.5% of the sources it cites on buying questions from rankings and comparison pages, based on 113,842 answers collected between July and October 2026 (Archipel Observatory).
Brand sites, media and blogs make up 65.4% of ChatGPT sources. The rankings share fell from 36.8% in July to 28.8% in October 2026.
Method
406,626 AI answers collected every day from July 12, 2026 to October 11, 2026 on over 1,700 purchase-intent questions tracked by Archipel (mostly in French, plus the United States and the Netherlands). ChatGPT, Google AI Overviews, Perplexity and Copilot: Profound data. Claude and Gemini: Peec AI data. Sources are classified automatically from their address and title. Figures are aggregated: no brand or client is published. Free to reuse with a link to this page.
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