OpenAI’s Lead Is Contracting as AI Competition Intensifies
OpenAI’s rivals are cutting into ChatGPT’s lead. From a report: The top chatbot’s market share fell from 69.1% to 45.3% between January 2025 and January 2026 among daily U.S. users of its mobile app. Gemini, in the same time period, rose from 14.7% to 25.1% and Grok rose from 1.6% to 15.2%.

The data, obtained by Big Technology from mobile insights firm Apptopia, … ⌘ Read more