A. (Adot, 에이닷) vs Microsoft Copilot comparison

A. (Adot, 에이닷) and Microsoft Copilot 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

Microsoft's AI assistant built into Windows, Edge and Office

Highlighted rows are where they differ.

Item	A. (Adot, 에이닷)Visit site	Microsoft CopilotVisit site
Starting price	FreeNot applicable	$9.99+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)	OpenAI GPT-5 family (Smart/Think Deeper) GPT-5.5/Claude selectable for business MAI in-house models (image/voice)
Type	AI services	AI services
Category	Chatbot/Assistant	Chatbot/Assistant, Writing/Productivity
Company	SK Telecom, South Korea	Microsoft, 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 M365 Personal $9.99 Family $12.99 Premium $19.99 Pro $99.99 For business: Copilot Business $21 (annual), Enterprise $30 (annual)
Pros	Phone features such as call recording and summaries Use several models for free	Works directly with Windows, Word and Excel Latest-level models available for free
Cons	Some features are aimed at SKT subscribers App-centered	Office integration features need a Microsoft 365 subscription Weak personality as a standalone chatbot

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.