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SK Telecom releases A.X K2, a 688bn parameter model from Korea’s sovereign AI project
See how this story connectsSK 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- Where
- South Korea
- Who
- SK Telecom
Summary by wheresthe.ai, from Hugging Face. Checked against the source on 10 Oct 2026.
Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.
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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