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LG AI Research releases EXAONE 4.0, a 32B open-weights model with a reasoning mode

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LG AI Research released EXAONE 4.0 on 15 July 2025 in a 32-billion-parameter version and a 1.2-billion-parameter on-device version, with weights on Hugging Face for research, academic and educational use. The model combines fast answers with a step-by-step reasoning mode. LG reported scores of 81.8 on MMLU-Pro, 75.4 on GPQA-Diamond and 85.3 on AIME 2025, and offered API access through FriendliAI.

Why it matters

Korean companies and researchers got a domestic open-weights model with reported scores close to leading open models from the US and China, released for research, academic and educational use.

When
15 Jul 2025
ID
WTA-N-2025-0109
Who
LG AI Research, FriendliAI

Summary by wheresthe.ai, from LG AI Research and the reporting credited above. Checked against the source on 9 Oct 2026.

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

Next stop on this Storyline: What happened nextKorea picks Naver Cloud, SK Telecom, LG, NC AI and Upstage to build national AI models

Cite this story

WTA-N-2025-0109: “LG AI Research releases EXAONE 4.0, a 32B open-weights model with a reasoning mode.” wheresthe.ai, 15 Jul 2025. https://wheresthe.ai/d/kr-lg-exaone-4-open-weights-2025-07/ (source: LG AI Research (press release via PR Newswire)).

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