SK Telecom Launches 519B Parameter AI Model A.X K1 to Boost Korea's Global AI Competitiveness
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 27 2025
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Source: Newsfilter
- AI Model Launch: SK Telecom's A.X K1, Korea's first hyperscale AI model with 519 billion parameters, marks a significant step in Korea's ambition to become one of the top three AI powers globally, following the U.S. and China.
- Knowledge Transfer Capability: As a 'Teacher Model', A.X K1 not only transfers knowledge to smaller models below 70 billion parameters but also drives innovation within Korea's AI ecosystem, enhancing its global competitiveness.
- AI for All Services: The SKT consortium plans to offer A.X K1 through A. (A-DoT) to over 10 million users, promoting the establishment of an 'AI for Everyone' framework that facilitates public access to AI technology.
- Full-Stack AI Ecosystem: The SKT consortium's full-stack AI platform, which includes AI semiconductors, data centers, and services, has attracted participation from over 20 institutions, expected to significantly enhance Korea's overall competitiveness in the AI sector.
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About SKM
SK Telecom Co Ltd is a Korea-based company primarily engaged in the provision of wireless communication services. The Company operates the business through three segments. The Wireless Communication Business segment provides mobile phones, wireless data, information communication business. The Wireline Communication Business segment offers telephones, high speed Internet, data and network rental services. The Other segment is involved in the product sales type data broadcasting channel use business and others.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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