On June 3rd, the market intelligence agency Sensor Tower estimated that it would not be able to do soOpenAI Under ChatGPT The global monthly active users have surpassed 1 billion, becoming the fastest application to this milestone。
Sensor Tower states that after about three years of its roll-out, ChatGPT reached 1 billion active monthly subscribers in May, surpassing Google Maps, TikTok, Instagram and YouTube's previous growth record。
While the competition between OpenAI and the competition for artificial intelligence and development firm Anthropic is getting hotter, this achievement confirms that ChatGPT's influence continues to rise in the field of high-speed expansion of artificial intelligence。
OpenAI and Anthropic are preparing to be listed when the user milestone is reached. Anthropic has submitted his first U.S. Public Exchange application in secret this week, and there are reports that OpenAI plans to finalize the IPO preparation programme in the coming weeks。
1AI notes that while ChatGPT is sitting on a large number of users, Anthropic's artificial intelligent dialogue robot Claude is growing so fast. The data show that Claude ' s global monthly live users reached 56 million in the second quarter of 2026, an increase of approximately 640% over the same period, which is significantly higher than the increase of 62% in ChatGPT during the same period。
The data also show that industry competition has begun to change user usage habits: on the United States market, in the first quarter of 2026, when Claude ' s ChatGPT user was installed, one month after downloading the software, was used on ChatGPT for a long time, down 5% from the average of the previous eight months。