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OpenAI Quietly Uses Behavior Patterns to Guess User Age, Restricts Suspected Minors

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OpenAI began rolling out an 'age prediction' system on August 18, 2025, that infers whether a ChatGPT user is under 18 based on behavioral signals such as conversation topics, login times, usage patterns, and account age. Users identified as likely minors are automatically moved into a restricted 'ChatGPT for Teens' mode without being asked, even if they previously provided a date of birth during sign-up. The teen experience limits certain content categories, discourages emotional dependence on the AI, and includes usage reminders, while also blocking ads in those accounts. Adults who are misclassified — something OpenAI acknowledges will happen — cannot simply correct the system with a toggle; they must verify their identity through a third-party service called Persona using a government ID or live selfie. The rollout is global, with the European Union set to follow in the coming weeks to comply with regional regulations.

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OpenAI Quietly Uses Behavior Patterns to Guess User Age, Restricts Suspected Minors · ShortSingh