B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
54.7%
54.7% -- share of web visits for ChatGPT (2026-04)
In April 2026, ChatGPT accounted for approximately 54.7% of web visits across the seven largest AI assistants.
- Based on Similarweb estimates
- Calculated only across the seven largest AI assistants
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
54.7%
Unit
Percentage
Data Vintage
2026-04
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
https://getvisibai.com/blog/generative-engine-optimization-geo-2026-playbook ↗
Source Article
Generative Engine Optimization (GEO): 2026 Playbook
Generative Engine Optimization (GEO) is the practice of getting your brand mentioned, cited, and recommended inside AI-generated answers from tools like ChatGPT, Perplexity, Gemini, and Claude. Where classic SEO competes for a position on a results page, GEO competes for a place inside the answer it…
Original Research
Similarweb
· Original study ↗
Methodology
Similarweb data across the seven largest AI assistants
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
ChatGPT: 54.7% share of web visits. Source: Similarweb (2026-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-share-of-assistant-visits-apr-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-share-of-assistant-visits-apr-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>54.7%</strong> -- share of web visits for ChatGPT<br><small>Source: Similarweb (2026-04) · <a href="https://lighthousedata.io/data/chatgpt-share-of-assistant-visits-apr-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.