Open AI CEO Sam Altman speaks during the G20 Innovation Ministerial in Chapel Hill, North Carolina, on September 2, 2026. Matt Ramey | Afp | Getty ImagesOpenAI on Thursday announced it will begin rolling out its latest artificial intelligence model, GPT-6 Astra, which the company said is the product of "years of research and big bets."The model is launching in phases, and OpenAI said a limited group of companies participating in its application-based cybersecurity program Daybreak will be the fi...