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K-EXAONE 236B-A23B

LG AI Research · 2026-01-12 · 237.1B parameters

K-EXAONE 236B-A23B is LG AI Research's open-weight multilingual mixture-of-experts model, released on January 12, 2026. The checkpoint has 237,099,669,632 parameters, while LG reports approximately 23B active per token; it uses 128 routed experts (top 8 plus one shared), a 3:1 mix of 128-token sliding-window and global attention, and an MTP block for approximately 1.5× self-speculative decoding throughput. It supports optional reasoning and non-reasoning modes, a 262,144-token context, and Korean, English, Spanish, German, Japanese, and Vietnamese.

Benchmark scores

BenchmarkScore
AA-LCR55.7
AA-Omniscience Index-57.9
AIME 202590.3
Artificial Analysis Agentic Index8.0
Artificial Analysis Coding Index32.1
Artificial Analysis Intelligence Index22.1
Artificial Analysis Omniscience Accuracy16.5
Artificial Analysis Omniscience Hallucination Rate83.5
Artificial Analysis Openness Index27.8
Capability142.3
CritPt1.1
GDPval-AA v2598
GDPval-AA v2 (normalized)4.9
Global MMLU Lite78.9
GPQA Diamond78.3
Humanity's Last Exam (Text-Only)13.1
IFBench (Artificial Analysis)64.7
LiveCodeBench (Artificial Analysis)76.8
MMLU Pro83.8
SciCode (Artificial Analysis)35.6
Terminal-Bench 2.130.3
Terminal-Bench Hard22.7
τ²-bench (Telecom)74.3
𝜏³-Banking14.2
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