Sensor Tower: ChatGPT's market share fell to 46.4% by the end of May, as Gemini rose to 27.7% and Claude to 10.3%; Grok, Meta AI, and others have less than 5% (... (opens in new tab)

Ivan Mehta / — More than three and a half years after ChatGPT's initial release, AI assistants are now used by millions of people worldwide, and the competitive landscape is changing fast.