GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Modalities
FileImageText
In / out price
₩17,550 / ₩87,750
1M
Context
105万
リリース日
2026/09/05
Pricing
価格はKRWで表示されます。為替レートやマージンの変更は即座に反映されます。
| Input (prompt) | ₩17,550 / 1M |
| Output (completion) | ₩87,750 / 1M |
| Cache read | ₩1,755 / 1M |
| Cache write | ₩21,938 / 1M |
1,000 input tokens と 1,000 output tokens のコストは約 ₩105 です。