OpenAI is gearing up to host its third annual developer conference, DevDay 2025, on Monday. The company says more than 1,500 people are scheduled to convene at Fort Mason in San Francisco for OpenAI’s “biggest event yet,” which features announcements, keynotes from OpenAI executives, and a fireside chat between CEO Sam Altman and longtime Apple designer Jony Ive. From the sound of it, DevDay 2025 is shaping up to be a grand display of OpenAI’s rising dominance in Silicon Valley against giants