K-EXAONE (K-엑사원) vs Stable Diffusion comparison

K-EXAONE (K-엑사원) and Stable Diffusion compared side by side in AI.

CurrencyUSD KRW EUR

What is different

Korean support

K-EXAONE (K-엑사원)Good

Stable DiffusionAverage

Main models

K-EXAONE (K-엑사원)K-EXAONE 2.0 750B-A37B (750B total, 37B active MoE) / FP8/NVFP4 quantized versions / DSpark variant

Stable DiffusionStable Diffusion 3.5(Large/Medium/Turbo) / Stable Image Ultra/Core(API) / SDXL / Stable Audio 3.0

K-EXAONE (K-엑사원)

A 750 billion-parameter Korean open model made by LG AI Research under the government's independent AI foundation model project (the largest in Korea, free for commercial use)

What is good

Korea's largest open model at 750B
No commercial use restrictions under Apache 2.0
262K long context, strong on the Korean long-text benchmark (Ko-LongBench 89.6)

What could be better

Running it yourself needs about 16 H200-class GPUs, so it is hard for individuals
LG has no paid API of its own or app for general users yet

K-EXAONE (K-엑사원) official site

Stable Diffusion

A leading open-source image generation model you can install and run on your own computer

What is good

Free and open source
Install it yourself for unlimited generation
Very many community models

What could be better

Hard to install and use
Needs a good graphics card

Stable Diffusion official site

At a glance

Item	K-EXAONE (K-엑사원)Visit site	Stable DiffusionVisit site
Starting price	FreeNot applicable	FreeNot applicable
Free tier	Free	Free
Korean support	Good	Average
Main models	K-EXAONE 2.0 750B-A37B (750B total, 37B active MoE) FP8/NVFP4 quantized versions DSpark variant	Stable Diffusion 3.5(Large/Medium/Turbo) Stable Image Ultra/Core(API) SDXL Stable Audio 3.0
Type	AI services	AI services
Category	Open Models	Image Generation, Open Models
Company	LG AI Research (LG AI연구원), South Korea	Stability AI, United Kingdom
Plans	Model weights free (Apache 2.0, commercial use allowed) Web demo k.exaone.ai Hosted API is pay-as-you-go from outside providers such as FriendliAI (prices set by each provider)	Local use free (revenue under $1M) API $0.03 to $0.08 per image Brand Studio $50 Enterprise
Pros	Korea's largest open model at 750B No commercial use restrictions under Apache 2.0 262K long context, strong on the Korean long-text benchmark (Ko-LongBench 89.6) High safety rating in the Korean context Reasoning mode can be turned on and off, tool calling supported	Free and open source Install it yourself for unlimited generation Very many community models
Cons	Running it yourself needs about 16 H200-class GPUs, so it is hard for individuals LG has no paid API of its own or app for general users yet Text only LG itself says it is only a 'starting point'	Hard to install and use Needs a good graphics card

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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