ASCA02
EVIDENCE OBJECT

AI SEARCH CITATION ATLAS · OBJECT 02

Which AI search platforms share the most sources?

Grok and Perplexity have the highest normalized pairwise domain overlap at 20.37%; AI Mode and ChatGPT have the lowest at 1.73%.

OBJECT IDasca:pairwise-overlap-ranking@2026-05.v1
SNAPSHOTMAY 2026
STATUSREPRODUCIBLE
EVIDENCE

What the data supports

  • Grok × Perplexity: 2,362 shared domains; 20.37% Jaccard.
  • Copilot × Perplexity: 673 shared domains; 13.75% Jaccard.
  • AI Mode × Grok: 4,337 shared domains; 12.19% Jaccard.
BOUNDARY

Where the claim stops

This ranks domain-set overlap, not answer similarity, citation quality, or traffic.

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Carry the object ID with the conclusion.

Object JSONSource matrixPrimary analysis
“Grok and Perplexity have the highest normalized pairwise domain overlap at 20.37%; AI Mode and ChatGPT have the lowest at 1.73%.”— asca:pairwise-overlap-ranking@2026-05.v1
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