Overview
- Appfigures data show ChatGPT was the most downloaded app on Google Play and the iOS App Store from March through September.
- The ChatGPT mobile app has an estimated 410.8–411 million downloads year to date worldwide, according to Appfigures.
- OpenAI CEO Sam Altman said at the company’s DevDay event that ChatGPT now has about 800 million weekly active users.
- A July study by researchers from OpenAI, Duke, and Harvard reported roughly 700 million monthly users and more than 2.5 billion messages per day, or about 29,000 per second.
- ChatGPT’s weekly active user base has grown about 700% since November 2023 and far outpaces rivals, with xAI’s Grok at 65 million MAUs and Anthropic’s Claude and Perplexity at 30 million each.