Observatory · Comparison
Claude vs Gemini: two engines that read rankings
On identical buying questions, Claude takes 87.8% of its sources from rankings and comparison pages against 60.7% for Gemini, and cites a source in 83.7% of answers against 66.2%. Data: 5,174 answers per engine from two tracked projects, July 12 to October 11, 2026.
Updated
88% / 61%
rankings among sources (Claude / Gemini)
84% / 66%
answers citing sources (Claude / Gemini)
3.8 / 2.8
sources per answer (Claude / Gemini)
| Claude | Gemini | |
|---|---|---|
| Rankings among sources | 88% | 61% |
| Answers citing sources | 84% | 66% |
| Sources per answer | 3.8 | 2.8 |
Claude and Gemini are the two engines in the Observatory that rely most on rankings. This comparison asks them the same buying questions: 5,174 answers per engine from two projects tracked by Archipel in Peec AI.
Claude cites a source in 83.7% of answers and 3.8 sources per answer; Gemini in 66.2% and 2.8 sources per answer. Rankings make up 87.8% of Claude sources and 60.7% of Gemini sources.
The base is narrow (two projects), but consistent with the full engine data: 88.1% rankings for Claude and 61.6% for Gemini across the Observatory. Duels use Peec AI data: identical questions asked to both engines over the same period. Figures can differ from the engine pages, which use larger Profound samples.
For a brand, both engines push in the same direction: being in the lists of your category comes first. Gemini leaves a bit more room to product pages and homepages.
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.
FAQ
Frequently asked questions
Does Claude rely on rankings more than Gemini?
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