A.X K1

By SK Telecom

A.X-K1 is Korea’s first hyperscale 500B-class AI model, designed as a "teacher" that transfers knowledge to sub-70B models. With a 519B MoE architecture and roughly 10T-token corpus, it focuses on strong reasoning and multilingual capabilities while anchoring a sovereign AI ecosystem, giving Korean industry a domestically controlled foundation for future specialized models and services.

New Text Gen 7

Released: January 13, 2026

Overview

A.X-K1 is SK Telecom’s 519B-parameter MoE frontier language model, trained on about 10T tokens to act as a high-capacity teacher model for distilling smaller Korean and global AI systems.