SK Telecom Launches 519B Parameter AI Model A.X K1 to Boost Korea's AI Ecosystem
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 27 2025
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Source: PRnewswire
- AI Model Launch: SK Telecom has unveiled A.X K1, Korea's first hyperscale AI model with 519 billion parameters, marking a significant step in Korea's ambition to become one of the top three AI nations globally.
- Knowledge Transfer Capability: A.X K1 functions as a 'Teacher Model', enabling knowledge transfer to smaller models below 70B, which will drive innovation and enhance Korea's global competitiveness in AI.
- Nationwide AI Accessibility: The SKT consortium plans to offer A.X K1 through the A. (A-DoT) platform to over 10 million subscribers, promoting an 'AI for Everyone' framework that facilitates public access to AI services.
- Full-Stack AI Strategy: The SKT consortium's full-stack AI platform integrates expertise from eight organizations, aiming to enhance Korea's overall competitiveness in AI, with over 20 institutions already expressing intent to validate A.X K1 in real-world applications.
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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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