OpenAI Dev Day: ChatGPT tops 1.2 billion weekly users as new products debut

OpenAI’s Dev Day drew 2,500 attendees and featured 20 launches, with the number potentially higher depending on how they are counted. The event has been held for four consecutive years. Figures presented onstage put ChatGPT usage at more than 1.2 billion people a week, while over 35 million people build with ChatGPT Work and Codex weekly.

The major product announcements included Dots, described as personal AI agents, ChatGPT Spaces and GPT-6.1 Sol, alongside other updates involving Sites, Codex and Work.