OpenAI Drops to 55% Market Share, as Google Gemini Surges

OpenAI’s ChatGPT loses market dominance as rivals capture significant user growth.

ChatGPT’s worldwide market share fell to 54.7% in April 2026. This represents a decline from approximately 76.5% in early 2025.

ChatGPT's share of U.S. mobile daily active users dropped below 40% in March 2026.

Google Gemini increased its worldwide web-visit share to 27.4%. This share stood at 5.6% during the previous year.

Anthropic’s Claude currently holds an 8.2% share of web traffic. Claude reportedly wins the majority of new head-to-head enterprise deals against OpenAI.