ChatGPT vs Wrtn (뤼튼) comparison

ChatGPT and Wrtn (뤼튼) compared side by side in AI.

CurrencyUSD KRW EUR

What is different

Starting price

ChatGPT≈€7.13+ ($8)

Wrtn (뤼튼)Free

Free tier

ChatGPTFree plan available

Wrtn (뤼튼)Free

Main models

ChatGPTGPT-6 (Sol) / GPT-6 Luna / GPT-6 Pro (Astra) / GPT-6.1 Sol / Image: ChatGPT Images 2.5

Wrtn (뤼튼)Automatic selection: OpenAI such as GPT-5, plus external models Claude and Gemini (current setup not disclosed)

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

A Korean AI service where you can use several AI models for free

Item	ChatGPTVisit site	Wrtn (뤼튼)Visit site
Starting price	≈€7.13+ ($8)Official USD price	FreeNot applicable
Free tier	Free plan available	Free
Korean support	Good	Good
Main models	GPT-6 (Sol) GPT-6 Luna GPT-6 Pro (Astra) GPT-6.1 Sol Image: ChatGPT Images 2.5	Automatic selection: OpenAI such as GPT-5, plus external models Claude and Gemini (current setup not disclosed)
Type	AI services	AI services
Category	Chatbot/Assistant, Image Generation, Coding	Chatbot/Assistant, Writing/Productivity
Company	OpenAI, United States	Wrtn Technologies (뤼튼테크놀로지스), South Korea
Plans	Free Go $8 Plus $20 Pro $100/$200/$500 Business $25 (annual $20) Enterprise/Edu	No paid subscription plan (free by default) One-time purchases of in-app credits and keys Contact for business Wrtn AX
Pros	No. 1 in users, so plenty of guides and tips Widest range of features Polished app and voice chat	Latest models for free Features and UI tailored to Korean users
Cons	Tight usage limits on the free plan Top features need the expensive Pro plans	Sometimes hard to choose the model yourself Has ads and paid items

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.