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Latest / Frontier models and safety

Model releaseFrontierSouth KoreaConfirmed

SK Telecom releases A.X K2, a 688bn parameter model from Korea’s sovereign AI project

See how this story connects

Source: Hugging Face: skt/A.X-K2

SK Telecom released A.X K2 under the Apache 2.0 licence, a 688-billion-parameter mixture-of-experts model with 33 billion active parameters trained from scratch, with thinking and non-thinking modes. SK Telecom said it was built as part of the Korean government’s sovereign AI foundation model project.

Why it matters

Korea’s government-backed push for its own frontier models produced its largest open release from a telecom operator.

When
29 Jul 2026
ID
WTA-N-2026-0225
Who
SK Telecom

Summary by wheresthe.ai, from Hugging Face. Checked against the source on 10 Oct 2026.

Read the original at Hugging Face

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Built on byKorea’s sovereign AI project cuts Motif and advances LG, SK Telecom and Upstage

Cite this story

WTA-N-2026-0225: “SK Telecom releases A.X K2, a 688bn parameter model from Korea’s sovereign AI project.” wheresthe.ai, 29 Jul 2026. https://wheresthe.ai/d/kr-skt-ax-k2-sovereign-model-2026-07/ (source: Hugging Face: skt/A.X-K2).

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