OpenAI: GPT-5.6 Luna
openai/gpt-5.6-luna
GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Modalities
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In / out price
₩351 / ₩2,106
1M
Context
1.05M
Released
Jul 9, 2026
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩351 / 1M |
| Output (completion) | ₩2,106 / 1M |
| Cache read | ₩35 / 1M |
| Cache write | ₩439 / 1M |
1,000 input tokens plus 1,000 output tokens costs about ₩2.46.