A. (Adot, 에이닷) vs ChatGPT comparison

A. (Adot, 에이닷) and ChatGPT compared side by side in AI.

CurrencyUSD KRW EUR

A. (Adot, 에이닷)

SK Telecom's AI assistant. Offers call summaries, recording and several AI models for free

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

Highlighted rows are where they differ.

Item	A. (Adot, 에이닷)Visit site	ChatGPTVisit site
Starting price	FreeNot applicable	≈₩10,605+ ($8)Official USD price
Free tier	Free	Free plan available
Korean support	Good	Good
Main models	A.X 4.0 (in-house) GPT 5 o3 Claude 4.5 Sonnet/Opus Perplexity Sonar Liner Pro and others (as of late 2025)	GPT-6 (Sol) GPT-6 Luna GPT-6 Pro (Astra) GPT-6.1 Sol Image: ChatGPT Images 2.5
Type	AI services	AI services
Category	Chatbot/Assistant	Chatbot/Assistant, Image Generation, Coding
Company	SK Telecom, South Korea	OpenAI, United States
Plans	Free (daily usage limit) A. Phone is free for SKT subscribers No paid subscription 'AI for Everyone' planned to be free for all citizens	Free Go $8 Plus $20 Pro $100/$200/$500 Business $25 (annual $20) Enterprise/Edu
Pros	Phone features such as call recording and summaries Use several models for free	No. 1 in users, so plenty of guides and tips Widest range of features Polished app and voice chat
Cons	Some features are aimed at SKT subscribers App-centered	Tight usage limits on the free plan Top features need the expensive Pro plans

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

Prices converted at 1 USD = ₩1,325.57 (2026-10-21). Original price shown in brackets. Taxes as listed by each provider.