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20242026
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cs.CL2026

K-EXAONE 2.0 Technical Report

Eunbi Choi, Kibong Choi, Sehyun Chun +74

This technical report presents K-EXAONE 2.0, an open-weight multilingual foundation model developed by LG AI Research as a step in our effort toward global frontier-scale foundatio…

cs.CL2026

K-EXAONE Technical Report

Eunbi Choi, Kibong Choi, Seokhee Hong +62

This technical report presents K-EXAONE, a large-scale multilingual language model developed by LG AI Research. K-EXAONE is built on a Mixture-of-Experts architecture with 236B tot…

cs.CL2025

From KMMLU-Redux to KMMLU-Pro: A Professional Korean Benchmark Suite for LLM Evaluation

Seokhee Hong, Sunkyoung Kim, Guijin Son +3

The development of Large Language Models (LLMs) requires robust benchmarks that encompass not only academic domains but also industrial fields to effectively evaluate their applica…

cs.CL2025

EXAONE 4.0: Unified Large Language Models Integrating Non-reasoning and Reasoning Modes

Kyunghoon Bae, Eunbi Choi, Kibong Choi +37

This technical report introduces EXAONE 4.0, which integrates a Non-reasoning mode and a Reasoning mode to achieve both the excellent usability of EXAONE 3.5 and the advanced reaso…

cs.CL2025

Accurate Sublayer Pruning for Large Language Models by Exploiting Latency and Tunability Information

Seungcheol Park, Sojin Lee, Jongjin Kim +3

How can we accelerate large language models(LLMs) without sacrificing accuracy? The slow inference speed of LLMs hinders us to benefit from their remarkable performance in diverse…

cs.CL2025

KoBALT: Korean Benchmark For Advanced Linguistic Tasks

Hyopil Shin, Sangah Lee, Dongjun Jang +9

We introduce KoBALT (Korean Benchmark for Advanced Linguistic Tasks), a comprehensive linguistically-motivated benchmark comprising 700 multiple-choice questions spanning 24 phenom…