
Observatory · October 2026
ChatGPT Forum Citations Fell From 6.1% to 0.1%
Forums such as Reddit fell from 6.1% of ChatGPT sources on buying questions in July 2026 to 0.1% in October 2026 (Archipel Observatory).
Updated
0.1%
Go further →Forums such as Reddit fell from 6.1% of ChatGPT sources on buying questions in July 2026 to 0.1% in October 2026 (Archipel Observatory).
Over the same period, brand sites, media and blogs rose from 51.0% to 67.6% of ChatGPT sources. Across all engines, forums weigh 1.0% of cited sources.
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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