ChatGPT Is Losing Ground While Claude Quietly Gains: How the AI Assistant Landscape Is Shifting—and What You Should Use
I came across a set of recent numbers that felt both surprising and, at the same time, completely expected. According to data from market research firm Apptopia, ChatGPT’s share of the U.S. mobile chatbot market dropped below 40% in March 2026. Just a few months earlier, in September 2025, it was still comfortably above 50%. Meanwhile, Claude’s power users are spending significantly more time in the app—average daily usage jumped from 98 minutes in February to 139 minutes, while churn among heavy users fell to just 12%. ...