Zeta (제타) by Scatter Lab vs Wrtn (뤼튼) vs Kakao Kanana vs HyperCLOVA X
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
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Wrtn (뤼튼)
Korea's free AI superapp for chat, writing and character companions
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HyperCLOVA X
Naver's Korea-first sovereign large language model
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| RECATOOLS Score | 6 / 10 | 6.1 / 10 | 7.2 / 10 | 7.8 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Freemium | Freemium | Paid |
| Free tier | — | — | Consumer Kanana app and KakaoTalk AI features are free | Open SEED model weights on Hugging Face |
| Paid from | — | — | Commercial use requires a separate licence negotiated with Kakao | Enterprise via Naver Cloud / CLOVA Studio (custom) |
| Has API | ✗ | ✗ | ✓ | ✓ |
| Open source | ✗ | ✗ | ✓ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✗ |
| Users | — | — | ~54M worldwide KakaoTalk MAUs (Statista, Q2 2024) | Embedded across Naver's search and shopping services in Korea |
| Founded | 2011 | — | 2006 | — |
| Maker | ScatterLab | — | Kakao Corporation | Naver (Naver Cloud) |
| Verdict | Zeta's numbers are real: 5 million-plus downloads, 4.1 stars across 59,000 App Store ratings, and — per Scatter Lab's own figures — 2.5 million users averaging over 12 hours a week, more than 90% of them teens and twenty... |
Wrtn's pitch is unusual for 2026: a genuinely free, unlimited GPT-5-tier chat product, subsidized by an enterprise agent business rather than a consumer subscription. Fortune reported the company is tracking toward $100... |
Kanana's real asset isn't the model — it's distribution. Bundling on-device AI into KakaoTalk, which effectively every smartphone-owning South Korean uses, means adoption requires zero download decision. Kanana Nano's 60... |
HyperCLOVA X is Korea's answer to the frontier labs — an LLM tuned for Korean language and culture rather than translated into it, with a Korean-optimized tokenizer that runs faster and cheaper on Korean text. THINK, DAS... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.