Summary: For the first time since its November 2022 launch, ChatGPT's share of the global AI assistant market has dropped below 50%, falling from roughly 87% in early 2025 to about 46% by mid-2026. Millions of users are exploring alternatives like Claude and Gemini instead . So why are people leaving ChatGPT? The short answer: a mix of rising competition, trust and privacy concerns , a controversial government contract, safety controversies, and the simple fact that switching between AI chatbots has never been easier. This article breaks down the data, the timeline, and what it means if you're deciding whether to stick with ChatGPT or try something new. The Numbers Behind the Shift If you've been asking yourself why are people leaving ChatGPT, the market data gives a clear starting point. According to Sensor Tower's State of AI 2026 report , ChatGPT's global market share fell below 50% in March 2026 and sat at 46.4% by the end of May — the first time that'...
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