ChatGPT and Gemini both just passed 1 billion users

Both ChatGPT and Gemini have reached the milestone of 1 billion monthly active users. While ChatGPT maintains a larger total user base, Google's Gemini is currently experiencing faster growth rates.
Why it matters
This milestone highlights the rapid mainstream adoption of generative AI tools and the intense competition between tech giants for market dominance.
For the 14th time, a Google product has hit 1 billion users. Google CEO Sundar Pichai posted on X that a billion people are using Gemini every month, and that Gemini is Google’s fastest-growing product ever.
A billion users is a huge milestone, but Google isn’t the first AI app to hit it. OpenAI’s ChatGPT hit the mark a few weeks ago, though the company buried the announcement that “more than 1 billion people are putting ChatGPT to work” in an otherwise anodyne blog post about how people use AI. External data suggested ChatGPT crossed 1 billion users as early as this June, but OpenAI hadn’t announced anything until that post on August 6th. OpenAI spokesperson Lindsay McCallum says ChatGPT crossed 1 billion monthly users some time ago, and hit a billion a week in July.
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