Observatory · October 2026
Gemini Cites a Source in Only 68.4% of Answers
Gemini cites at least one source in only 68.4% of its answers to buying questions, against 96.3% for ChatGPT on the same questions (Archipel Observatory, 2026).
Updated
68.4%
Go further →Gemini cites at least one source in only 68.4% of its answers to buying questions, against 96.3% for ChatGPT on the same questions (Archipel Observatory, 2026).
The comparison covers 11,028 answers per engine from four projects tracked in Peec AI between July 12 and October 11, 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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