Learn Korean Hangul uses AI models to draft lesson text, generate audio and create wordless illustrations, and Min-ji Park, a Korean language teacher, reviews the Korean on every page before it is published. This page lists exactly where AI is used, which checks follow it and what AI never does.
Where AI Is Used on This Site
AI is used in five places: planning notes, lesson drafting, model review, audio generation and wordless background art. It is not used to decide what is published; the site owner makes that decision, and the owner does not claim to review the Korean.
The table in the next section shows each task, who does it and what checks follow. Reading it first makes the rest of this page easier to follow.
What Does AI Do Here?
The table lists each task that involves AI, the check that follows it and the label or marker a reader sees.
| Task | Done by | Check that follows | What the reader sees |
|---|---|---|---|
| Research summaries and page briefs | AI-assisted | Automated registry checks | Nothing; these stay internal |
| Lesson text, examples and FAQ | AI model | Automated checks, then a second model | Nothing until the page passes human review |
| Korean accuracy review | A second AI model, then Min-ji Park, the site's Korean reviewer | Her sign-off before publication | Her name and the review date, only after she has signed the page off |
| Korean audio | Text-to-speech engine | Approval by Min-ji Park before publication | A note that the clip is AI-generated |
| Background illustrations | Image model | Design review | No label; the art contains no words |
| Publishing decisions | The site owner | Not applicable | Nothing |
Planning tools such as keyword and competitor summaries are AI-assisted but never appear on lesson pages. Competitors are studied for structure only, as the editorial policy states, and AI drafting is one stage of that policy, not the whole process.
Next, the limits show what AI never does here.
What Does AI Never Do Here?
AI never does the following on this site. These rules apply to every page, and a page that broke one would be corrected.
- Put Korean text inside an image. All instructional Hangul, labels and answers are real page text, so screen readers, search and copy-and-paste work.
- Invent evidence. No statistics, testimonials, learner counts, ratings or quotes are generated.
- Invent people. No author, reviewer or credential exists unless a real person has agreed to it.
- Grade your speech. The site does not score pronunciation.
- Decide what is true about Korean. The rules come from National Institute of Korean Language documents; a model only applies them.
The first rule has a practical benefit. Because an image never holds the lesson, a wrong word cannot hide in a picture where nobody can select, search or correct it.
Next, the checks that follow AI output are described.
Checks That Follow AI Output
AI output passes three checks before a reader sees it. First, scripts verify the page structure, links and metadata. Second, a model, normally one capability tier above the drafter, checks the Korean against the language standards and looks for contradictions. Third, Min-ji Park, the site's Korean reviewer, reviews the Korean for natural phrasing, spelling, the right politeness level, pronunciation notes and examples, and the page can be published only after she signs it off. She reviewed and signed off every page on 15 October 2026. Lessons are reviewed again before major updates, when learners keep asking about the same point, and when the TOPIK format changes.
Each check sets a review status: generated, model-reviewed and human-reviewed. The first two are draft statuses, and the authors and reviewers page explains who carries out each check.
Which Mistakes Do Models Make in Korean?
Models write fluent Korean, so their errors are easy to miss. Four kinds are the main risks, and the reviewers are told to look for them:
- Unnatural example sentences. A sentence can be grammatical and still not be something a person would say.
- Wrong speech level. A polite lesson might slip into plain speech, for example 먹어 (meogeo) where 먹어요 (meogeoyo) is intended.
- Missed sound changes in audio. The spelling 같이 is pronounced [가치] (gachi), and a speech engine can read it as spelled.
- Romanization of exceptions. Revised Romanization writes the spoken form in cases such as 신라, which becomes Silla, and a model may write Sinra instead.
None of these four is rare. This is why a model-reviewed page stays a draft until Min-ji Park has reviewed it, and why the site asks readers to report AI errors you notice.
How Should You Use an AI-Drafted Lesson?
A few habits make AI-drafted lessons safer to learn from:
- Check the editorial block. It shows who reviewed the page's Korean and when the page was last updated.
- Pair audio with a second source. If a clip sounds odd, compare it with a dictionary's audio or a teacher, then report it.
- Use official sources for high-stakes Korean. Names on documents, legal text and exam answers belong with the language standards we follow and a qualified person, not with a lesson.
- Report what you find. A wrong form reported once is fixed for every reader of that page.
Next, images and audio are covered in turn.
AI in Images and Audio
Images are wordless background art that gives a hub a sense of place. They carry no letters, so they never teach anything and never need a Korean check.
Audio is different, because it does teach. Korean clips are generated by a text-to-speech engine, and Min-ji Park approves each clip before the page that uses it is published. The text-to-speech audio has its own methodology page, covering the engine, the pronunciation input, the pilot test and the known limits.
When a clip fails review, the input is fixed, another voice is tried or the clip is replaced with a human recording. A clip that has not passed review is not published; the page shows the Korean text with a "no recording yet" note instead.
Next, the language standards are the yardstick against which every AI draft is measured.
Frequently Asked Questions
Should I trust AI-written Korean lessons? Trust them as a checked study guide, not as a teacher's final word. Models write fluent Korean but still make errors, which is why Min-ji Park, a Korean language teacher, reviews every page before it is published. Review lowers the error rate without removing it, so check anything high-stakes against a dictionary and report mistakes through the corrections page.
Will AI content be replaced by human writing? Not wholesale. The plan keeps AI drafting and adds human checking on top: a review of the Korean on every page by Min-ji Park, a Korean language teacher, and human recordings that can replace a synthetic clip when it fails review. Every page is still AI-drafted, and every published page has also been checked by a person.
Do you use my data to train AI? No. The site does not collect the data that would be needed: there are no accounts, progress stays in your browser, and text typed into tools is processed in the browser. Messages you send are used only to answer and to fix content. The privacy policy has the full list.
Which AI models do you use? The site does not publish a model list. Lessons are drafted by one model and checked by a second, normally stronger model. The default audio engine is Chirp 3 HD, Google Cloud's text-to-speech service, which receives only the Korean text to be spoken; the audio methodology page describes it. The owner may add model names here later.