DeepSeek vs SKT A.X
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
DeepSeek
China's frontier open-weight LLM lab — now shipping the V4 family at a...
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SKT A.X
Korea's hyperscale sovereign AI — 519B-parameter MoE LLM built from sc...
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| RECATOOLS Score | 8.2 / 10 | 7.2 / 10 |
| Capability | ||
| Value for money | ||
| Ease of use | ||
| ASEAN readiness | ||
| API quality | ||
| Pricing | Open Source | Freemium |
| Free tier | Free access at chat.deepseek.com; open weights self-hostable | A.X K1 & A.X 4.0 weights free on Hugging Face (Apache 2.0); A-dot basic features free for SKT subscribers |
| Paid from | V4-Flash $0.14/$0.28; V4-Pro $0.435/$0.87 per 1M tokens (now permanent, not promo) | Enterprise via A. Biz (contact sales); quantized/hosted API: contact [email protected] |
| Has API | ✓ | ✓ |
| Open source | ✓ | ✓ |
| Free to use | ✓ | ✓ |
| Users | ~130M monthly active users (late 2025) | ~10M MAU (A-dot consumer app, Korea) |
| Founded | 2023 | 1984 |
| Maker | High-Flyer | SK Group (SK Telecom Co., Ltd.) |
| Verdict | DeepSeek is the Chinese lab whose open-weight models repeatedly shock the market by matching far costlier frontier systems at a fraction of the price. The 2026 V4 family (V4-Pro and the cheaper V4-Flash, both 1M-context)... |
SKT A.X K1 remains a genuine feat — the first 500B-plus MoE model built from scratch by a non-hyperscaler, released under Apache 2.0 with real Korean-language benchmark wins over GPT-4o (78.32 vs 72.51 on KMMLU). 2026 br... |
| Full review → | Full review → |
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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.