You can start free with EXAONE, A.X, Mi:dm, and HyperCLOVA X. The scope of the free tier (usage limits, features, commercial use) differs by tool, so check the pricing section on each tool’s page.
AI Basics · Picks by Category
Korean AI models compared
A look at in-house AI models built by major Korean corporations and telecom companies. Some are internal-only and unavailable outside the company; others are openly released so you can download and run them yourself.
5 tools4 free to start5 with excellent Korean
COMPARE
At a Glance
Free availability, Korean support, and difficulty are based on each tool’s official information.
| Tool | Verdict | Free | Korean | Level |
|---|---|---|---|---|
| Samsung Gauss | Well known by name, but not available to outsiders | Internal use only | Excellent | Advanced |
| EXAONE | Korean models you can download and run yourself | Free tier | Excellent | Advanced |
| A.X | A Korean large-scale model, fully open | Free tier | Excellent | Advanced |
| Mi:dm | A small model that knows Korea | Free tier | Excellent | Intermediate |
| HyperCLOVA X | Built into Naver’s services | Free tier | Excellent | Intermediate |
TOOLS
Browse by tool
Samsung GaussWell-known name, but not available outside the company
Samsung Gauss is a generative AI model developed in-house by Samsung Electronics. The second generation, Samsung Gauss2, handles language, code, and images together and is being rolled out in stages across internal operations and products.
Best forCorporate planning teams evaluating an in-house model
Internal use onlyStrong KoreanLearn more →
EXAONEA Korean model you can download and run
EXAONE is a generative AI model developed in-house by LG AI Research. Its model weights are published on Hugging Face, making it a leading Korean open model that researchers and companies can download and run themselves.
Best forOrganizations that can’t send data overseas
Free planStrong KoreanLearn more →
A.XA very large Korean model, released in full
A.X is a generative AI model developed in-house by SK Telecom. Several models, including A.X K2 with 688 billion parameters, are published on Hugging Face for anyone to download.
Best forManufacturing and public-sector organizations that can’t send data outside the organization
Free planStrong KoreanLearn more →
Mi:dmA small model that knows Korea
Mi:dm is a generative AI model developed in-house by KT. It is built for Korea and reflects Korean social context; its 11.5-billion-parameter base model is released under the MIT license.
Best forMid-sized companies trying a Korean model for the first time
Free planStrong KoreanLearn more →
HyperCLOVA XBuilt into Naver’s services
HyperCLOVA X is a generative AI model developed in-house by Naver. Instead of a standalone chat service, you now reach it through Naver Search, the enterprise CLOVA Studio, and the released SEED models.
Best forOrganizations evaluating deployment on a Korean cloud
Free planStrong KoreanLearn more →
CRITERIA
How we chose
We checked whether outside users can actually try each model, whether the model is openly released, and which services it is built into. Yellow marks the tools we recommend first in our courses.
CATEGORY
Explore other categories
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FAQ
Rated “excellent” for Korean-language support: Samsung Gauss, EXAONE, A.X, Mi:dm, and HyperCLOVA X.
Start with the tool rated “beginner” for difficulty: Samsung Gauss.
Tools differ in whether your input is used for training and in what changes on business plans. Check the “Is it safe to use at work?” section on each tool’s page, and as a rule don’t enter data such as customer personal information or contract amounts.
Last updated 22 Sep 2026 · Free-plan availability, pricing, and terms are the values confirmed on each tool’s official page. Ratings are based on John Kim, CEO of Nanum Consulting, using these tools firsthand in training sessions and real work.
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