ChatGPT Loses Market Majority as AI Competition Intensifies

OpenAI's ChatGPT has dropped below 50% market share in the global AI assistant space, falling to 46.4% as of May 2026. This shift highlights rising competition, notably from Google’s Gemini, which is integrated into Android and Workspace. Claude has seen massive growth, boasting a leading paid conversion rate. User behavior reflects concerns over ads and ethical considerations leading to switching. While ChatGPT reached 1.1 billion monthly users, comparative growth elsewhere has reshaped the landscape.