Three Most Widely Adopted Personal AI Assistants

ChatGPT leads in global adoption with 800 million to 1 billion weekly active users, followed by Google Gemini, and Apple's pioneering Siri, deeply integrated into its ecosystem.

Sources

• Best AI-Powered Personal Assistants in 2026 - Lifestack
• 11 Best Personal AI Assistants in 2026 - Vellum
• AI Personal Assistant: We Tested and Ranked the Best 10 in 2026
• July 2026 Top Generative AI Chatbots & LLMs by Market Share | Momentic
• Top Generative AI Chatbots by Market Share – July 2026 - First Page Sage
• datastudios.org

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