Best AI models for Korean
Product Korean lives on honorifics (존댓말 vs 반말). Claude, Gemini, and GPT usually handle tone well; DeepSeek/Kimi help on cost and context.
Models in this collection
| Model | Type | Context | Price |
|---|---|---|---|
 Claude Sonnet 5Anthropic | Chat | 1M tokens | $3.2702/M in · $16.3509/M out |
 Gemini 2.5 ProGoogle | Chat | 2M tokens | $1.3626/M in · $10.9006/M out |
 GPT-5.5OpenAI | Chat | 272k tokens | $5.4503/M in · $32.7018/M out |
| Gemini 2.5 FlashGoogle | Chat | 1M tokens | $0.327/M in · $2.7251/M out |
| Claude Opus 5Anthropic | Chat | 1M tokens | $5.4503/M in · $27.2515/M out |
| GPT-5.4 miniOpenAI | Chat | 272k tokens | $0.8175/M in · $4.9053/M out |
 DeepSeek V4 ProDeepSeek | Chat | 1M tokens | $0.4742/M in · $0.9484/M out |
 Kimi K3Moonshot (Kimi) | Chat | 1M tokens | $3.2702/M in · $16.3509/M out |
Why these models
Claude/Gemini/GPT for KR conversational tone; Opus if register is critical; Flash/mini/DeepSeek for volume.
Use them with Geek Hub
One OpenAI-compatible base URL and API key. Swap any model id from this list without rewriting your client.
Get an API keyFAQ
- 존댓말 or 반말?
- Explicit system prompt + examples. CX usually wants 존댓말.
- Hangul OK?
- Yes. Avoid romanization unless you ask for it.
- EN→KO translation?
- Yes; native review for public copy.