Sam Altman says ChatGPT has hit 800M weekly active users

October 6, 2025

OpenAI CEO Sam Altman mentioned Monday at Dev Day that ChatGPT has reached 800 million weekly energetic customers, marking a rise of adoption amongst customers, builders, enterprises, and governments.

Sam Altman says ChatGPT has hit 800M weekly active users

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Sam Altman says ChatGPT has hit 800M weekly active users

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