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Latest / Frontier models and safety

Model releaseFrontierSouth KoreaConfirmed

Upstage releases Solar Open 2, a 250 billion parameter Korean open model

See how this story connects

Source: Hugging Face: upstage/Solar-Open2-250B

Korean start-up Upstage released Solar Open 2, a 250-billion-parameter open-weights mixture-of-experts model with 15 billion active parameters, a hybrid linear-attention design and a 1-million-token context, built for agent work such as office tasks and coding.

Why it matters

A Korean start-up released a 250-billion-parameter open model aimed at agent work.

When
23 Jul 2026
ID
WTA-N-2026-0223
Who
Upstage

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-2026-0223: “Upstage releases Solar Open 2, a 250 billion parameter Korean open model.” wheresthe.ai, 23 Jul 2026. https://wheresthe.ai/d/kr-upstage-solar-open-2-2026-07/ (source: Hugging Face: upstage/Solar-Open2-250B).

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