📈ChatGPT Market Share Falls Below 50% as Gemini Rises
TL;DR
ChatGPT's global assistant market share dropped below 50% for the first time, hitting 46.4% by late May, per Sensor Tower. Gemini reached 27.7% and Claude 10.3%.
ChatGPT's global assistant market share dropped below 50% for the first time, hitting 46.4% by late May, per Sensor Tower. Gemini reached 27.7% and Claude 10.3%. ChatGPT still leads with 1.1 billion monthly users, but switching between assistants is climbing fast.
Key Points
ChatGPT fell to 46.4% share by the end of May 2026, down from over 50% in January
Gemini reached 27.7% and Claude 10.3%; Grok, Perplexity, DeepSeek, and Meta AI each under 5%
ChatGPT leads with 1.1B monthly users, ahead of Gemini at 662M and Claude at 245M
13% of Anthropic's users pay for a subscription, the field's top conversion rate
H1 2026 is on pace for about 2.3B AI app downloads and $4.2B in spend
Why It Matters
The assistant race is no longer a one-app story, and users switching on trust and ecosystem signals means distribution and values now matter as much as raw model quality.
Quick Facts
Frequently Asked Questions
Why does this matter?
The assistant race is no longer a one-app story, and users switching on trust and ecosystem signals means distribution and values now matter as much as raw model quality.
What happened?
ChatGPT's global assistant market share dropped below 50% for the first time, hitting 46.4% by late May, per Sensor Tower. Gemini reached 27.7% and Claude 10.3%.
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