ChatGPT vs DeepSeek comparison

ChatGPT and DeepSeek compared side by side in AI.

CurrencyUSD KRW EUR

ChatGPT

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

A high-performance Chinese AI chatbot that is free to use. The models are also released as open source

Highlighted rows are where they differ.

Item	ChatGPTVisit site	DeepSeekVisit site
Starting price	$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	DeepSeek-V4.1-Flash-1017 (multimodal) DeepSeek-V4-Pro
Type	AI services	AI services
Category	Chatbot/Assistant, Image Generation, Coding	Chatbot/Assistant, Open Models
Company	OpenAI, United States	DeepSeek, China
Plans	Free Go $8 Plus $20 Pro $100/$200/$500 Business $25 (annual $20) Enterprise/Edu	Web and app fully free API pay-as-you-go (50% off off-peak)
Pros	No. 1 in users, so plenty of guides and tips Widest range of features Polished app and voice chat	Chatbot fully free Good at math and reasoning API is very cheap
Cons	Tight usage limits on the free plan Top features need the expensive Pro plans	Controversy over overseas transfer of personal data Slows down when traffic is heavy Censorship of sensitive topics

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.