OpenAI: GPT-6 Astra
openai/gpt-6-astra
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...
Modalities
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In / out price
₩17,550 / ₩87,750
1M
Context
1.05M
Released
Sep 5, 2026
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩17,550 / 1M |
| Output (completion) | ₩87,750 / 1M |
| Cache read | ₩1,755 / 1M |
| Cache write | ₩21,938 / 1M |
1,000 input tokens plus 1,000 output tokens costs about ₩105.