ChatGPT vs K-EXAONE (K-엑사원) comparison

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

CurrencyUSDKRWEUR

ChatGPT

The most widely used general-purpose AI chatbot. Chat, writing, coding, image generation and web search in one place

What is good

  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat

What could be better

  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans

ChatGPT official site

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

At a glance

Highlighted rows are where they differ.

ItemChatGPTVisit siteK-EXAONE (K-엑사원)Visit site
Starting price$8+Official USD priceFreeNot applicable
Free tierFree plan availableFree
Korean supportGoodGood
Main models
  • GPT-6 (Sol)
  • GPT-6 Luna
  • GPT-6 Pro (Astra)
  • GPT-6.1 Sol
  • Image: ChatGPT Images 2.5
  • K-EXAONE 2.0 750B-A37B (750B total, 37B active MoE)
  • FP8/NVFP4 quantized versions
  • DSpark variant
TypeAI servicesAI services
CategoryChatbot/Assistant, Image Generation, CodingOpen Models
CompanyOpenAI, United StatesLG AI Research (LG AI연구원), South Korea
Plans
  • Free
  • Go $8
  • Plus $20
  • Pro $100/$200/$500
  • Business $25 (annual $20)
  • Enterprise/Edu
  • 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)
Pros
  • No. 1 in users, so plenty of guides and tips
  • Widest range of features
  • Polished app and voice chat
  • 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
Cons
  • Tight usage limits on the free plan
  • Top features need the expensive Pro plans
  • 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'

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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