ChatGPT reached 1B weekly users in four years; Facebook took 8.5

FinanceYF5 · x · 2026-10-23

Chinese finance account FinanceYF5 relays The News in Data's comparison: ChatGPT passed 1 billion weekly active users in about four years from launch, while Facebook took 8.5 years to reach a billion users — evidence that AI apps are growing far faster than the previous generation of social platforms. The accompanying chart plots users by months since launch across ChatGPT, Facebook, Instagram, TikTok, and Twitter.

Related event: ChatGPT Hits 1B Weekly Users in About 4 Years, Half the Time of Facebook(3 posts)→

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