B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
2%
2% -- search market share for AI chat tools (2025)
All major AI chat tools combined account for nearly 2% of the search market.
- accounts for 'nearly 2%'
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
2%
Unit
Percentage
Data Vintage
2025
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
95
Source Trust
50
Citation Chain
20
Independence
30
Methodology
45
Freshness
86
Source
Industry Analysis
Primary
Tier A
https://onclusive.com/en-gb/resources/blog/generative-engine-optimization/ ↗
Source Article
What is Generative Engine Optimization? GEO Guide 2025
Updated: February 2026
Definition: Generative Engine Optimization (GEO) is the practice of optimizing content to be discovered, cited, and referenced by AI-powered search engines and chatbots like ChatGPT, Google AI Overviews, and Perplexity.
Key Terms Definitions
1. Generative Engine Optimization (…
Original Research
Industry Analysis
· Original study ↗
Methodology
Reported by industry analysis
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
AI chat tools: 2% search market share. Source: Industry Analysis (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/search-market-share-ai-tools-2025
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<blockquote cite="https://lighthousedata.io/data/search-market-share-ai-tools-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>2%</strong> -- search market share for AI chat tools<br><small>Source: Industry Analysis (2025) · <a href="https://lighthousedata.io/data/search-market-share-ai-tools-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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