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SK Telecom Unveils A.X K1, Korea's First 500B-Scale Hyperscale AI Model

A.X K1 serves as a Teacher Model transferring knowledge to smaller AI models and will be accessible to over 10 million users via SK Telecom's nationwide AI service.

  • On Sunday, SK Telecom said its consortium of eight organizations developed A.X K1, Korea's first AI language model with 519 billion parameters.
  • Driven by Korea's national AI ambition, A.X K1 is poised to serve as the core foundation for becoming a top-three AI nation behind the U.S. and China, launching a full-stack AI ecosystem.
  • Functioning as a `Teacher Model`, A.X K1 enables knowledge transfer to models below the 70B-scale and activates about 33 billion parameters during inference, designed for Korean-language training.
  • To expand accessibility, the consortium will deploy A.X K1 through A. , which has over 10 million subscribers, plans open-source release and APIs, and more than 20 institutions have submitted letters of intent.
  • As a testbed for Korea's semiconductor industry, A.X K1 will validate memory bandwidth and inter-GPU communication while boosting AIX applications including Krafton and humanoid robots.
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SK Telecom Unveils A.X K1, Korea's First 500B-Scale Hyperscale AI Model

SKT consortium conducts Korean government's 'Sovereign AI Foundation Model' project with A.X K1, positioning Korea for Global Top 3 AI PowersA.X K1: Korea's first 'Teacher Model' for smaller and specialized applicationsSK Telecom realizes AI as public good, advancing Korean government's…

[Digital Daily Reporter Oh Byeong-hun] SK Telecom is unveiling a massive artificial intelligence (AI) model with 500 billion parameters. SK Telecom announced on the 28th that it will unveil "A.X K1," a massive AI model with 500 billion parameters, the largest in Korea, at the first presentation of the "Independent AI Foundation Model Project" hosted by the Ministry of Science and ICT on the 30th. SK Telecom's elite team's "A.X K1," which will be…

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PR Newswire broke the news in United States on Saturday, December 27, 2025.
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