B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
80%
80% -- consumer ai search coverage share for ChatGPT, Perplexity, AI Overviews, Copilot (2026)
The four-engine baseline of ChatGPT, Perplexity, AI Overviews, and Copilot covers over 80% of consumer AI search.
- Source states 80%+
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
80%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
35
Freshness
95
Source
bestseo.sg
Primary
Tier C
https://www.bestseo.sg/blog/measuring-geo-ai-search-visibility/ ↗
Source Article
Measuring GEO: Tools and Metrics for AI Search Visibility
Original Research
bestseo.sg
· Original study ↗
Methodology
Agency estimate of combined share of consumer AI search for four major engines
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT, Perplexity, AI Overviews, Copilot: 80% consumer ai search coverage share. Source: bestseo.sg (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/four-engine-baseline-ai-search-coverage-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/four-engine-baseline-ai-search-coverage-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>80%</strong> -- consumer ai search coverage share for ChatGPT, Perplexity, AI Overviews, Copilot<br><small>Source: bestseo.sg (2026) · <a href="https://lighthousedata.io/data/four-engine-baseline-ai-search-coverage-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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