OpenAI: GPT-5
openai/gpt-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
Modalities
TextImageFile
In / out price
₩2,194 / ₩17,550
1M
Context
400K
Released
Aug 8, 2025
Pricing
Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.
| Input (prompt) | ₩2,194 / 1M |
| Output (completion) | ₩17,550 / 1M |
| Cache read | ₩219 / 1M |
| Cache write | — |
1,000 input tokens plus 1,000 output tokens costs about ₩19.74.