Group 1 - OpenAI has launched an age prediction model in its ChatGPT consumer program to identify accounts belonging to users under 18 years old [1] - The model combines account-level signals and behavioral signals, including usage patterns over time, account age, active hours, and self-reported age [1] - OpenAI is under investigation by the Federal Trade Commission due to concerns about the potential negative impact of its AI chatbot on children and teenagers [1] Group 2 - The age prediction model will automatically enable protective measures to reduce the display of sensitive content for users identified as under 18 [1] - If an adult user is incorrectly identified as under 18, they can use the Persona identity verification service to regain full access [1] - OpenAI plans to improve the accuracy of its age prediction model over time and will launch it in the EU in the coming weeks to comply with regional requirements [2]