SEOUL, South Korea, Dec. 27, 2025 /PRNewswire/ -- SK Telecom (NYSE: SKM) today unveiled 'A.X K1,' Korea's first hyperscale artificial intelligence (AI) model with 519 billion (519B) parameters. A.X K1 (519B-A33B) is poised to serve as the core foundation for Korea's ambition to become a top-three global player in the AI race, following the U.S. and China. The model marks the beginning of a full-stack AI ecosystem, encompassing all areas from semiconductors to services. 500B-Scale to Power Korea's AI Ecosyst ...