OpenAI's paying business users also crossed 2 million in February, more than doubling from its last update in September.

OpenAI is increasingly looking like a consumer company, telling CNBC that it now has 400 million weekly active users. Usage is still growing at a rapid

Though it might have seemed like OpenAI was on the ropes between its recent weirdness with Microsoft and the disruptive arrival of DeepSeek, CNBC reports that the firm behind ChatGPT now has 400 million weekly active users — up 100 million from last December.

OpenAI's Brad Lighcap stated the company now has over 400 million weekly active users. That's an increase of 100 million in less than three months.