Exponential View

Exponential View

🚨 ChatGPT hits another milestone: a billion weekly users

And the models keep getting smarter.

Azeem Azhar
Apr 12, 2025
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ChatGPT now has one billion weekly users.

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Photo: Steve Jurvetson

The news came out through a tweet by investor Steve Jurvetson who was attending the TED Conference in Canada yesterday, with my emphasis added.

Sam Altman: ā€œLast we disclosed, we have 500 million weekly active users, growing fast.ā€

Chris Anderson: ā€œBut backstage, you told me that it doubled in just a few weeks.ā€

So, one billion weekly users is the private number, and likely the real one. In his on-stage discussion with Chris, Sam also alluded to 10% of humanity (call that 800m) using ChatGPT.

Both of these are substantially up from the 400m weekly number OpenAI’s Brad Lightcap spoke about three weeks ago. At a minimum, it is that doubling in just a few weeks—unprecedented at this scale.

Let’s get this straight: that is an enormous number of users. These are weekly active users, a key measure of retention and habituation.

This isn’t the peak.

Weekly users become daily users. Daily users realize what AI can do for them. Person…

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