B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
18.2%
18.2% -- ai search market share for Gemini (2025)
Gemini holds 18.2% of the AI search market share.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
18.2%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
RankControl
Primary
Tier B
https://rctrl.com/blog/chatgpt-vs-perplexity-vs-gemini-vs-claude-best-ai-search-saas-founders ↗
Source Article
ChatGPT vs Perplexity vs Gemini vs Claude for SaaS
Every comparison article about AI search engines asks the same question: which one should you use? Wrong question. If you're a SaaS founder, the question that actually matters is: which one are your customers using to find products like yours, and does your brand show up when they ask?
We tracked ci…
Original Research
RankControl
· Original study ↗
Methodology
Vendor blog tracking
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 (current) | 18.2% | |
| 2026 | 20% | +9.9% |
| 2026-01 | 3.4% | -83.0% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Gemini: 18.2% ai search market share. Source: RankControl (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/gemini-market-share
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<blockquote cite="https://lighthousedata.io/data/gemini-market-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18.2%</strong> -- ai search market share for Gemini<br><small>Source: RankControl (2025) · <a href="https://lighthousedata.io/data/gemini-market-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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