ChatGPT weekly active users
800M
OpenAI's Sam Altman said ChatGPT hit 800 million weekly active users — roughly double the 400 million reported in February 2025.
Oct 2025Data as of Oct 6, 2025Verified Sep 29, 2026
Source: Sam Altman / TechCrunch(opens in a new tab)published Oct 6, 2025
Company-reported weekly active users, stated publicly by OpenAI's CEO.
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