ATA (All That AI, 아타) vs ChatGPT comparison

ATA (All That AI, 아타) and ChatGPT compared side by side in AI.

ATA (All That AI, 아타)

A Korean all-in-one AI subscription service where you use about 50 models, from GPT, Claude, Gemini and Grok to Korean models, on one screen and compare answers side by side

What is good

Wide lineup including Korean models
Answer comparison screen
Prompt library and sharing

What could be better

Prices not disclosed on the official site (visible after sign-up)
An early-stage service with few app ratings

ATA (All That AI, 아타) official site

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

At a glance

Highlighted rows are where they differ.

Item	ATA (All That AI, 아타)Visit site	ChatGPTVisit site
Starting price	Check siteUnverified	≈₩10,623+ ($8)Official USD price
Free tier	Trial only	Free plan available
Korean support	Good	Good
Main models	Per the official status page (checked 2026-10-20), 52 unique models OpenAI 23: GPT-6.1 Sol, GPT-6 Luna, GPT-6 Sol, GPT-6 Astra, GPT-5.6 Luna, GPT-5.6 Terra, GPT-5.6 Sol, GPT-5.5, GPT-5.2, GPT-5.2 Reasoning, GPT-5.1, GPT-5, GPT-5 mini, GPT-5 nano, GPT-5 reasoning, gpt-5.3-codex, gpt-5-codex, GPT-4.1, GPT-4.1 mini, GPT-4.1 nano, GPT-4o, GPT-4o-mini, o4-mini Anthropic 3: Claude Opus 5.5, Sonnet 5.5, Haiku 5.5 Google 9: Gemini 4 Argon, Gemini 3.8 Flash, 3.7 Flash, 3.5 Flash, 3.1 Pro Preview, 3 Flash Preview, 2.5 Pro, 2.5 Flash, 2.5 Flash Lite Grok 4: 4.7, 4.6, 4.5, 4.3 Perplexity 3: Sonar, Sonar Pro, Sonar Reasoning Pro NAVER 2: HyperCLOVA X, HyperCLOVA X Reasoning LG 1: EXAONE 4.0 Upstage 4: Solar Pro 2, Solar Pro, Solar Mini, Solar Pro 2 Reasoning DeepSeek 2: V4.1 Flash, V3 Other 1: All That AI Basic	GPT-6 (Sol) GPT-6 Luna GPT-6 Pro (Astra) GPT-6.1 Sol Image: ChatGPT Images 2.5
Pricing type	Monthly subscription, Quote/Enterprise Contract	-
Type	AI apps	AI services
Category	All-in-One AI Platform	Chatbot/Assistant, Image Generation, Coding
Company	TripleAuth Co., Ltd. (트리플오스), South Korea	OpenAI, United States
Plans	Monthly flat-rate individual subscription + custom business plans. Paid plan free for 1 month on new sign-up. Specific prices need checking (app reviews mention 'in the ₩20,000s per month')	Free Go $8 Plus $20 Pro $100/$200/$500 Business $25 (annual $20) Enterprise/Edu
Pros	Wide lineup including Korean models Answer comparison screen Prompt library and sharing New models added within 3 days (ATA Instant Flow) Korean interface Admin accounts for businesses	No. 1 in users, so plenty of guides and tips Widest range of features Polished app and voice chat
Cons	Prices not disclosed on the official site (visible after sign-up) An early-stage service with few app ratings Scope of image and video generation unclear	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 = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.

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