ChatGPT Market Share Falls to 45% While Google Gemini Climbs to 25% in 2026

ChatGPT Market Share Falls to 45% While Google Gemini Climbs to 25% in 2026

By Adam Blacker - Director, PR, Apptopia Inc. Edited by Asim BN. The GenAI Chatbot app market has increased 152% YoY since last January. Google’s Gemini has gone from a 14.7% share of the market in January 2025 to a 25.2% market share in Jan 2026. ChatGPT has fallen from 69.1% to 45.3%. ChatGPT is losing share but this makes sense as new and capable entrants have launched. Last month, Grok’s daily active user (DAU) market share hit its highest p…

ChatGPT’s market share is slipping as Google and rivals close the gap, new app-tracker data shows

ChatGPT’s app market share has plummeted from 69% to 45% in a year as Google’s Gemini gains ground—potentially complicating OpenAI’s reported IPO plans