To be fair, it still has a lot of market share.

The mobile app tracking firm Sensor Tower’s “State of AI” report found that while ChatGPT continues to have the largest user base, Anthropic’s app is earning more money per user.

The chatbot still remains the most popular AI assistant worldwide with over 1.1 billion monthly users, followed by Gemini with 662 million and Claude with 245 million.

Hit by Google Gemini's continued expansion and Claude's recent growth, ChatGPT's share of the AI assistant market fell below 50% for the first time in March 2026, as per a report…

To be fair, it still has a lot of market share.