Korean LLM comparison

HyperCLOVA X (THINK) vs A.X 4.0

Independent attribute comparison. A paid diagnostic measures these on your own 20 prompts.

HyperCLOVA X (THINK)A.X 4.0
VendorNaverSK Telecom
Params비공개72B / 7B (경량)
Context
LicenseAPI-only (CLOVA Studio)Open source · commercial OK
PricingNCloud CLOVA Studio per-token pricing (verify on console).Open weights, self-host / on-prem. Based on Qwen2.5 with added Korean training.
Korean strengthStrong Korean reasoning/search (high on Korean benchmarks); tight Korean data/search integration.KMMLU 78.3 (> GPT-4o 72.5); ~33% better Korean token efficiency than GPT-4o.
Best forKorean search/chat, Domestic work documents, Naver ecosystemOn-prem enterprise, Cost-sensitive Korean work, Data-sovereignty needs

How to decide

Decide on your own prompts in 48h
48h Diagnostic ₩490,000 · tax invoice available
Start paid diagnostic →

More comparisons