ChatGPT market share falls below 50% as Gemini and Claude surge
On June 16, 2026, TechCrunch reported Sensor Tower’s State of AI 2026 data showing OpenAI’s ChatGPT has fallen to 46.4% global market share, below 50% for the first time. Google’s Gemini and Anthropic’s Claude now account for much of the remaining share, with other assistants like xAI’s Grok, Perplexity, DeepSeek and Meta AI still under 5% individually.
Source: TechCrunch