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K-EXAONE Technical Report

Published: January 5, 2026 | arXiv ID: 2601.01739v1

By: Eunbi Choi , Kibong Choi , Seokhee Hong and more

Potential Business Impact:

Helps computers understand and use many languages.

Business Areas:
Natural Language Processing Artificial Intelligence, Data and Analytics, Software

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 total parameters, activating 23B parameters during inference. It supports a 256K-token context window and covers six languages: Korean, English, Spanish, German, Japanese, and Vietnamese. We evaluate K-EXAONE on a comprehensive benchmark suite spanning reasoning, agentic, general, Korean, and multilingual abilities. Across these evaluations, K-EXAONE demonstrates performance comparable to open-weight models of similar size. K-EXAONE, designed to advance AI for a better life, is positioned as a powerful proprietary AI foundation model for a wide range of industrial and research applications.

Repos / Data Links

Page Count
29 pages

Category
Computer Science:
Computation and Language