B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
76.4%
76.4% -- previous chatgpt market share percentage for ChatGPT among AI chatbots (2025-05)
ChatGPT accounted for 76.4% of all AI chatbot web visits one year prior (May 2025).
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
76.4%
Unit
Percentage
Data Vintage
2025-05
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.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
20
Independence
30
Methodology
45
Freshness
86
Sources (3)
Similarweb
Primary
Tier A
https://www.forbes.com/sites/conormurray/2026/06/11/claude-traffic-surges-as-anthropic-readies-block… ↗
Source Article
Claude Traffic Surges As Anthropic Readies Blockbuster IPO
Web traffic to Anthropic’s Claude has surged 16% month-over-month and more than 850% year-over-year as of May.
Also cited by
techcrunch.com
https://techcrunch.com/
2026-08-22
tech-insider.org
https://tech-insider.org/
2026-08-22
Original Research
Similarweb
· Original study ↗
Methodology
Data from digital intelligence platform Similarweb
Methodology documented
Segmentation
Channelcommon_crawl
Cite this stat
Plain Text
ChatGPT among AI chatbots: 76.4% previous chatgpt market share percentage. Source: Similarweb (2025-05). Via Lighthouse Intelligence -- https://lighthousedata.io/data/chatgpt-previous-market-share
HTML Embed
<blockquote cite="https://lighthousedata.io/data/chatgpt-previous-market-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>76.4%</strong> -- previous chatgpt market share percentage for ChatGPT among AI chatbots<br><small>Source: Similarweb (2025-05) · <a href="https://lighthousedata.io/data/chatgpt-previous-market-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.