Aug. 4 (UPI) -- ChatGPT is on track to have 700 million weekly active users this week, the company said.

At the end of March, the app had reached 500 million weekly active users, said Nick Turley, OpenAI VP and head of ChatGPT, on X. He said the app has grown fourfold since last year.

"Every day, people and teams are learning, creating, and solving harder problems. Big week ahead. Grateful to the team for making ChatGPT more useful and delivering on our mission so everyone can benefit from AI," he posted.

The figure includes all ChatGPT AI products, including free, professional, school and others. It also passed 3 billion daily messages, and there are now 5 million paying business users.

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