OpenAI DevDay 2026 on Sept. 29 to Bring Altman Keynote, 20+ Launches

OpenAI will hold its DevDay 2026 developer conference in San Francisco on September 29. CEO Sam Altman will give a live keynote, or opening presentation, at 1PM ET. The company promises more than 20 product launches, with Altman saying “we have found a new thing.” The event includes technical sessions, live demos and workshops.