AI Share LabAI SHARE / USAGE / TREND
LIVE DATA BOARD · Oct 2026

AI usage & market share, ranked with data

Market share, popularity, trends, history and pricing for ChatGPT, Gemini, Claude, Perplexity, Copilot, Grok and DeepSeek — ranked from monthly snapshots of public data. Updated monthly so you can see the AI landscape and fastest-rising AIs at a glance.

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Q. Which AI has the highest usage & share right now?
As of Oct 2026, in worldwide AI-chatbot market share, ChatGPT is #1 at about 68.4%, followed by Google Gemini and Perplexity (source: StatCounter).
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Worldwide AI share board

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ChatGPT
#1 · OpenAI
68.4%Market share
—
Google Gemini
#2 · Google
18.5%Market share
—
Perplexity
#3 · Perplexity AI
9.6%Market share
—
Microsoft Copilot
#4 · Microsoft
2.0%Market share
—
AI usage ranking

Worldwide AI-chatbot market share (Oct 2026)

#AI toolShareShare ratioMoMTrend
1ChatGPT
OpenAI		68.38%—
2Google Gemini
Google		18.52%—
3Perplexity
Perplexity AI		9.55%—
4Microsoft Copilot
Microsoft		2.05%—
5Claude
Anthropic		1.46%—
6DeepSeek
DeepSeek		0.04%—

Source: StatCounter Global Stats（AI Chatbot Market Share, Desktop & Mobile） ／ Captured: 2026-10 （provisional） ／ reference value (market share based on web-referral traffic)
The current month is a provisional, month-to-date figure. Month-over-month change and risers/fallers are based on the latest completed month.

Share trend

Share history of major AIs (worldwide, monthly)

0255075100NovDecJanFebMarAprMayJunJulAugSepOct68.38%18.52%1.46%9.55%2.05%
ChatGPTGoogle GeminiClaudePerplexityMicrosoft Copilot
▲ Fastest rising

AIs that gained share (MoM)

Month-over-month basis: Sep 2026 (completed month)

Perplexity5.82%▲1.48ChatGPT80.49%▲1.07Google Gemini10.94%▲0.02
▼ Biggest drops

AIs that lost share (MoM)

Month-over-month basis: Sep 2026 (completed month)

Claude0.95%▼1.58Microsoft Copilot1.78%▼0.99DeepSeek0.02%±0
AI usage in Japan

AI share ranking in Japan (Oct 2026)

Japan share details →
1ChatGPT
49.6%Japan share · —
2Google Gemini
32.8%Japan share · —
3Microsoft Copilot
10.7%Japan share · —
4Perplexity
5.3%Japan share · —

In Japan, Gemini tends to hold a higher share than the world average. See the AI Share page for details.

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Popular comparisons

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All comparisons →
ChatGPT vs Google Gemini→ChatGPT vs Claude→Claude vs Google Gemini→ChatGPT vs Perplexity→Claude vs Perplexity→ChatGPT vs grok→

Frequently asked questions

Which tool has the highest AI usage / share?
In worldwide market share for Oct 2026, ChatGPT is the largest at about 68.4% (StatCounter, Desktop & Mobile). Note that rankings change with the measurement method.
Where does this ranking's data come from?
Market share comes from StatCounter Global Stats' public data (AI chatbot market share), saved as monthly snapshots with source and capture date noted. Pricing and features are reference values compiled by our editors from each official site.
Can I see the AI usage ranking for Japan?
Yes. The Japan share ranking and history are on the AI Share page. In Japan, Gemini tends to have a higher share than worldwide.

⚠ These rankings are reference values based on public market-share data, web-traffic estimates and editorial research, and do not represent a complete count of every user of each AI tool. Rankings change with the measurement method (web-visit share vs. market share, etc.). Always check each official site for the latest information.