ChatGPT Hits 1.1B Users but Loses Its Absolute Market Monopoly.
Sensor Tower 2026 Report: ChatGPT Smashes 1 Billion MAU Record, but Global Market Share Dips Below 50% for the First Time Market intelligence firm Sensor Tower has released its comprehensive data overview of the Generative AI application landscape for 2026. The report solidifies OpenAI’s ChatGPT as the undisputed global heavyweight, boasting an astronomical 1.1 billion Monthly Active Users (MAUs) . Google’s Gemini safely secured the runner-up position with 662 million MAUs , while Anthropic’s Claude holds the third spot with 245 million MAUs . Notably, ChatGPT’s trajectory has officially set a historic tech milestone, crowning it as the fastest digital platform to ever cross the 1-billion-user threshold, achieving the feat in just three years. However, beneath the surface of these record-breaking numbers lies an aggressive structural shift. While ChatGPT initially held a near-total monopoly on market share during the dawn of the AI boom, intense competition has eroded its dominanc...
