ChatGPT share slips below 50% as Gemini and Claude gain

TechCrunch reported that Sensor Tower's State of AI Report for 2026 shows ChatGPT still leading AI assistants but falling below 50% market share for the first time. ChatGPT had 46.4% share by the end of May, while Gemini reached 27.7% and Claude reached 10.3%. The report also says users are more willing to switch between assistants, with trust and values-alignment events influencing uninstall behavior as much as features.

Key details: Published June 16, 2026 at 3:30 AM PDT, Sensor Tower estimated ChatGPT at 46.4% AI-assistant market share by the end of May, Gemini reached 27.7% and Claude reached 10.3%, ChatGPT still had more than 1.1B monthly users in the report.

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