Apptopia: ChatGPT's US market share fell from 69.1% to 45.3% between Jan. 2025 and Jan. 2026; Gemini rose from 14.7% to 25.1%, Grok rose from 1.6% to 15.2%
Google, Grok are gaining ground on ChatGPT as the chatbot market expands. — ∙ Paid — OpenAI's rivals are cutting into ChatGPT's lead.
OpenAI's rivals are gaining ground despite overall market growth of 152% (Jan 2025-2026): — • Mobile Market Share: ChatGPT fell from 69.1% to 45.3%, while Gemini rose to 25.1% and Grok to 15.2%. — • Web Traffic: ChatGPT visits grew 50% (to 5.7 billion), compared to Gemini's 6…