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
Information updated 2026-10-20, source: official site and public reports. Prices and benefits may change. Check the official site before you pay.
Some information has not yet been verified against official sources. Please check the official site before you pay.
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
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
These are opinions compiled by Pickx from public sources.
Cautions
The 'unlimited' plan is subject to a Fair Use policy under the terms — abnormal use or account sharing can be blocked without a refund. Older models such as GPT-4o and Gemini 2.5 are mixed into the list, so check when choosing a model. Refunds are given only if unused within 7 days of payment
At a glance
ATA (아타) is a Korean all-in-one AI service made by Triple OS Co., Ltd. (트리플오스), where you can compare the answers of several AIs on one screen and save and share prompts. According to the official status page, it offers about 52 unique models, from GPT, Claude, Gemini and Grok to Korean models such as HyperCLOVA X, EXAONE and Solar (some models are listed twice on the status page). However, no price list is published, so you have to check after signing up.
AI and features offered
| AI/model | Use | Notes (usage limits, plan restrictions, etc.) |
|---|---|---|
| General chat, writing, coding | Limits by plan need checking |
| Claude Opus/Sonnet/Haiku 5.5 | Long writing, analysis, coding | All three models are listed on the official status page (checked 2026-10-12). Limits by plan need checking |
| Gemini 4 Argon, Gemini 3.8/3.7/3.5 Flash, 3.1 Pro Preview, 3 Flash Preview, 2.5 Pro/Flash/Flash Lite | Chat, multimodal | Includes some older models |
| Grok 4.x, Perplexity Sonar | Latest information, search-style answers | Needs checking |
| HyperCLOVA X, HyperCLOVA X Reasoning, EXAONE 4.0, Solar Pro 2/Pro/Mini, DeepSeek V4.1 Flash/V3, All That AI Basic | Korean-specialized/low-cost models | A rare lineup among Korean services |
| Answer comparison/prompt library | Compare several AIs at once, save and share prompts | Web/iOS app |
Plans
| Plan | Price | What you get/limits | Features |
|---|---|---|---|
| Free start | ₩0 | One month of a paid plan free on new sign-up | For trying it out |
| Personal monthly | Needs checking | Unlimited (fair use) or fixed amount depending on the plan | App reviews mention 'in the ₩20,000 range per month' (unofficial) |
| Business custom | Inquire | Admin accounts, user invitations, custom security | Education company B2B case |
Who it suits
- Personal monthly: Office workers and students who switch between GPT, Claude and Gemini and want to compare answers
- Business custom: Educational institutions and companies that want to use Korean models too and manage accounts centrally
Compared with subscribing to the original services directly
- It is likely cheaper than subscribing to ChatGPT Plus, Claude Pro and Gemini separately (about ₩80,000 to ₩90,000 per month), but official prices are not disclosed
- Even 'unlimited' has fair use limits, so heavy users may hit limits compared with the original services
- Features unique to the original apps (ChatGPT agent, Claude Code, etc.) cannot be used
Notes
- Information checked on: 2026-10-20
- ATA official site / LLM service status / Terms of service / App Store
Good for
4 views
Prices converted at 1 USD = ₩1,329.49 (2026-10-19). Original price shown in brackets. Taxes as listed by each provider.
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