B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

8% -- domain overlap between ai answer engines for ChatGPT and Claude (2026)

Name: Domain Overlap Between AI Answer Engines Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-25

2026 · Profound

ChatGPT and Claude share only 8% domain overlap in citations.

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Attribution: Profound View source

Lighthouse Research Team

Last verified: 2026-09-25 · How we verify data →

Source verified Evidence graded

Value

Unit

Percentage

Data Vintage

2026

Entity

ChatGPT and Claude

Geography

North America

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Profound Primary Tier B

https://www.tryprofound.com/blog/zero-click-new-york-2026-recap ↗

Confidence: 53/100 Vintage: 2026 Channel: Deep Crawl

Source Article

Zero Click New York 2026: The summit that brought 1,000+ marketing leaders together

On June 11, 2026, over 1,000 marketing leaders gathered in for Zero Click New York, our largest AI Marketing summit to date. We brought together speakers from brands like The Coca-Cola Company, LinkedIn, Delta Air Lines, U.S. Bank, and CVS Health to share how they're approaching marketing strategy, …

Original Research

Profound · Original study ↗

Methodology

Profound exclusive research

Methodology documented

Segmentation

IndustryAI RegionNorth America RoleAll marketers Channelcontent

Cite this stat

Plain Text

ChatGPT and Claude: 8% domain overlap between ai answer engines. Source: Profound (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-claude-domain-overlap-8

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<blockquote cite="https://lighthousedata.io/data/chatgpt-claude-domain-overlap-8" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>8%</strong> -- domain overlap between ai answer engines for ChatGPT and Claude<br><small>Source: Profound (2026) · <a href="https://lighthousedata.io/data/chatgpt-claude-domain-overlap-8" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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