B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
5%
5% -- ai chatbot market share for Gemini (standalone) (2025-12)
Gemini (standalone) had an initial market share of approximately 5% before growing to 18% during 2025.
- Market share is reported as having grown from ~5% to 18% over the course of 2025 according to Similarweb data cited in Dec 2025.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
5%
Unit
Percentage
Data Vintage
2025-12
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Similarweb
Primary
Tier B
http://tsmgeo.com/measurement/ ↗
Source Article
GEO Measurement Framework: KPIs, Attribution & Tools
Measurement Framework
GEO operates in an attribution-limited environment. This framework provides the KPIs, proxy methods, and infrastructure needed to measure what matters and optimize with confidence.
The Attribution Challenge
Unlike traditional SEO where rankings and traffic can be directly track…
Original Research
Similarweb
· Original study ↗
Methodology
Similarweb measurement; share grew from ~5% to 18% during 2025
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Gemini (standalone): 5% ai chatbot market share. Source: Similarweb (2025-12). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gemini-market-share-growth-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/gemini-market-share-growth-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- ai chatbot market share for Gemini (standalone)<br><small>Source: Similarweb (2025-12) · <a href="https://lighthousedata.io/data/gemini-market-share-growth-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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