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The fastest growing AI chatbot lately? It's not ChatGPT or Gemini

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ZDNET's key takeaways

Copilot has been the fastest-growing AI chatbot in recent months.

Use of Google Gemini is also surging.

ChatGPT still enjoys the greatest number of users.

Do you use Microsoft Copilot, Google Gemini, or ChatGPT on your PC or mobile device? If so, you're in good company. The number of people who turn to these three AI-powered chatbots grew from March to June this year, according to the latest stats from analytics provider Comscore.

Though all three major AIs enjoyed growth, one left the other two in the dust. For the three months tracked by Comscore, use of Microsoft Copilot surged by 175%, making it the fastest-growing chatbot of all. In second place was Google Gemini, with a gain of 68%, followed by OpenAI's ChatGPT, with an increase of 18%. However, these stats measure only growth. Overall, ChatGPT still reigns supreme.

Also: The best AI chatbots: ChatGPT, Copilot, and notable alternatives

From March to June, the number of ChatGPT users reached 36.1 million on the desktop and 25.3 million on mobile. Next up, the number of Copilot users hit 23.1 million on the desktop and 8.8 million on mobile. As for Gemini, it saw 14.2 million users on mobile.

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