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Vendor reportAhrefs, 11 Aug 2025

Copilot has the highest overlap with Bing's top 10 among AI assistants

Citation & visibility tracking

Bing rankings and AI assistant overlap

Bing rankings and AI assistant overlap
AI assistantTop 10 (%)Beyond Top 10 (%)Not ranked (%)
Copilot16.6%6.3%77.1%
Perplexity14%5.5%80.5%
ChatGPT (in-text citations)8.1%5%86.9%
ChatGPT (references)8.1%5.2%86.7%
Gemini3.3%3.8%92.9%
Reader Note:
Copilot reaches 16.6% against Bing's top 10, with Perplexity next at 14%. Copilot is a Microsoft product drawing on Bing, so this is close to mechanical.
Evidence:
Observed behaviour
Vendor interest:
Moderate — This comes from a company with a commercial interest in this market, so it is not a neutral source.
Sample:
15,000 long-tail queries run in Google and Bing, then the same questions asked of ChatGPT, Gemini, Copilot and Perplexity; every visible cited URL was extracted and matched against search ranking positions, recorded as top 10 or top 100. Data collected in early July 2025, published 11 August 2025 — the article itself warns that results may have changed. The headline averages are unweighted means across five citation surfaces, not four assistants: ChatGPT is counted twice (in-text citations and bottom-of-response references), so it carries double weight, Perplexity carries single weight, and no surface is weighted by how many citations it actually produces. 12% is (28.6 + 8 + 6.1 + 8.6 + 8.2) / 5; the 11% Google-and-Bing figure divides the two engine totals by 10; the Bing 10% is (16.6 + 14 + 8.1 + 8.1 + 3.3) / 5. The 80% non-ranking figure is the author's own approximation, not a computed statistic.

Good for

Comparing yourself against a similar segment, and choosing what to test next.

Not for

  • Saying that one thing caused another, or predicting what you would get.
  • This comes from a company with a commercial interest in this market, so it is not a neutral source.
  • The source says how much it looked at, but not how any of it was chosen.

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