Live data

AI Chatbot Market Share in États-Unis

As of septembre 2026, ChatGPT accounts for 74,9% of AI chatbot referrals in États-Unis, followed by Gemini (13,4%) and Microsoft Copilot (6,7%). Worldwide, ChatGPT accounts for 80,5%.

Updated 13 octobre 2026. Data through septembre 2026.

octobre 2026 is still in progress (13 days in). It is shown separately as month to date and is not used in headline figures.

What this measures. Share of AI chatbot referrals: of all website visits that arrive from an AI chatbot, the percentage that came from each assistant. It measures traffic sent to websites. It is not a count of users.

États-Unis: AI chatbot market share leaderboard

Share of AI chatbot referrals worldwide, septembre 2026. Change is in percentage points.

RankAssistantSharevs 1 month agovs 3 months agovs 6 months agovs 12 months ago
1ChatGPT74,9%+2,6+8,7+6,4-3,4
2Gemini13,4%+1,7+2,9+1,7+10,4
3Microsoft Copilot6,7%-1,2-4,6-1,6-2,8
4▲1Perplexity3,1%-0,6-1,8-2,8-4,6
5▼1Claude1,9%-2,5-5,1-3,8+0,5
6DeepSeek0,1%0,0-0,10,00,0

États-Unis: AI chatbot market share over time

  • ChatGPT
  • Gemini
  • Perplexity
  • Microsoft Copilot
  • Claude
  • DeepSeek
0%20%40%60%80%100%avr. 25juil. 25oct. 25janv. 26avr. 26juil. 26oct. 26ChatGPT51,7%Gemini25,5%Microsoft Copilot11,6%Perplexity7,1%Claude3,9%DeepSeek0,1%

Dashed line: octobre 2026, month to date. Provisional until the month closes.

View data table
MonthChatGPTGeminiPerplexityMicrosoft CopilotClaudeDeepSeek
oct. 26 month to date51,7%25,5%7,1%11,6%3,9%0,1%
sept. 2674,9%13,4%3,1%6,7%1,9%0,1%
août 2672,3%11,7%3,7%7,9%4,4%0,1%
juil. 2665,1%12,7%6,0%9,0%7,2%0,1%
juin 2666,2%10,5%4,9%11,3%7,0%0,2%
mai 2667,1%10,8%5,2%10,8%6,0%0,1%
avr. 2661,7%13,5%5,8%12,7%6,3%0,1%
mars 2668,5%11,8%5,8%8,3%5,6%0,1%
févr. 2673,6%9,9%6,5%7,5%2,5%0,0%
janv. 2674,9%9,0%6,5%8,0%1,5%0,0%
déc. 2575,8%6,1%7,4%9,4%1,4%0,0%
nov. 2578,8%3,3%8,1%8,4%1,4%0,0%
oct. 2578,9%2,9%8,2%8,7%1,3%0,0%
sept. 2578,3%3,1%7,7%9,5%1,3%0,0%
août 2578,5%2,8%6,4%10,5%1,3%0,6%
juil. 2580,2%2,7%5,6%9,6%1,6%0,4%
juin 2577,9%2,8%5,7%11,3%1,5%0,7%
mai 2578,4%2,5%5,5%12,4%0,8%0,3%
avr. 2588,0%2,9%7,5%0,6%0,7%0,3%

États-Unis vs worldwide

Share of AI chatbot referrals, septembre 2026. Difference is États-Unis minus worldwide, in percentage points.

AssistantÉtats-UnisWorldwideDifference
ChatGPT74,9%80,5%-5,6
Gemini13,4%10,9%+2,5
Microsoft Copilot6,7%1,8%+4,9
Perplexity3,1%5,8%-2,8
Claude1,9%1,0%+0,9
DeepSeek0,1%0,0%+0,1

États-Unis: desktop vs mobile

Share of AI chatbot referrals by device, septembre 2026.

AssistantAll devicesDesktopMobile
ChatGPT74,9%73,9%88,0%
Gemini13,4%13,9%7,6%
Microsoft Copilot6,7%7,1%1,1%
Perplexity3,1%3,1%2,8%
Claude1,9%2,0%0,4%
DeepSeek0,1%0,1%0,1%

FAQ

AI chatbot market share in États-Unis: frequently asked questions

Which AI chatbot is most used in États-Unis?▾

ChatGPT, with 74,9% of AI chatbot referrals in États-Unis as of septembre 2026. Gemini is second at 13,4%.

How does États-Unis compare with the world?▾

ChatGPT has 74,9% in États-Unis vs 80,5% worldwide. ChatGPT is the assistant whose share differs most from the global figure: 74,9% in États-Unis vs 80,5% worldwide.

How reliable are regional figures?▾

StatCounter measures referrals recorded on the websites in its network, filtered by visitor country. Smaller regions rest on less traffic, so month-to-month moves there are noisier than the worldwide series. Use the trend, not one month.

How often is this updated?▾

Every 2 days we re-check StatCounter. StatCounter publishes monthly, so a new month appears in the first days of the next month.

Data: StatCounter Global Stats, AI Chatbot Market Share, licensed CC BY-SA 3.0. Derived tables and charts on this page are shared under CC BY-SA 3.0. StatCounter CC BY-SA 3.0

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