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독파모 경쟁력 넘어 모두가 쓰는 일상의 도구로… SKT ‘모두의 AI’ ― 유경상 AI CIC장 칼럼

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Based on SK Telecom Newsroom · Aug 23, 2026

SK Telecom introduces ‘모두의 AI’ to embed AI across daily life, leveraging its A.X K2 foundation model and full-stack infrastructure to balance performance with practical deployment.

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독파모 경쟁력 넘어 모두가 쓰는 일상의 도구로… SKT ‘모두의 AI’ ― 유경상 AI CIC장 칼럼
SK Telecom Newsroom — SK Telecom
Key points
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SKT가 국민이 일상에서 필요로 하는 다양한 영역을 AI로 연결하기 위해 ‘모두의 AI’ 도전에 나섰다.
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SKT 유경상 AI CIC장의 칼럼을 통해 ‘서비스 – 모델 – 인프라’의 풀스택(Full-Stack) AI를 기반으로 한 SKT 모두의 AI 경쟁력을 소개한다.
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더 큰 모델, 더 많은 연산, 더 높은 수준의 추론 능력을 향한 프런티어 모델의 연구 경쟁이 여전히 치열한 가운데, 이제는 그렇게 확보한 지능을 얼마나 효율적으로 배포하고, 실제 문제 해결과 실행으로 전환하며, 다시 현실의 경험과 데이터를 다음 세대 모델의 발전으로 연결하는지가 AI 경쟁력을 좌우하기 시작했습니다.
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SK텔레콤은 최근 6,880억 개 매개변수(Parameter) 규모의 독자 AI 모델 ‘A.X K2’를 공개하고, 정부의 독자 AI 파운데이션 모델 프로젝트 3차 단계 진출에 성공했습니다.
Key numbers
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X K2 model with 688 billion parameters and secured participation in the government’s third-phase foundational AI project, underscoring its commitment to advancing both capability and real-world applicability.
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’, which has surpassed 10 million monthly active users, demonstrates the operational expertise required to deliver reliable, large-scale AI solutions.
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X K2, despite its scale, employs techniques like Mixture of Experts and adaptive reasoning to manage costs and performance for mass usage.

SK Telecom has launched the ‘모두의 AI’ initiative to integrate AI into everyday services, positioning itself through a full-stack approach combining models, services, and infrastructure. The company highlights the shift in AI competition from model size to efficient deployment and real-world problem-solving, emphasizing both technical performance and practical usability. SK Telecom recently unveiled its A.X K2 model with 688 billion parameters and secured participation in the government’s third-phase foundational AI project, underscoring its commitment to advancing both capability and real-world applicability.

The company argues that owning top-tier models is essential for shaping technology direction and enabling broader diffusion into lightweight and industry-specific AI solutions. However, SK Telecom notes the gap between model development and the creation of AI services used by millions daily, positioning ‘모두의 AI’ as the bridge to close this divide. Its experience operating the AI service ‘A.’, which has surpassed 10 million monthly active users, demonstrates the operational expertise required to deliver reliable, large-scale AI solutions.

SK Telecom’s A.X K2, despite its scale, employs techniques like Mixture of Experts and adaptive reasoning to manage costs and performance for mass usage. The company stresses that optimizing inference economics—through algorithmic efficiency and hardware-level adjustments—is critical to sustaining service at national scale. This vertical integration, from chips to services, is framed as a core competitive advantage in delivering practical AI solutions.

The next phase for AI, according to SK Telecom, is moving beyond answering questions to executing tasks and delivering end-to-end results. The company is building an open ecosystem with over 20 partners, including 11 firms with signed MOUs, to expand collaboration and expertise. By combining A.X K2’s technical strength, domestic-scale AI infrastructure, and A.’s user base, SK Telecom aims to create an AI accessible to all while laying the groundwork for Korea’s next AI challenges.

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