OpenAI: o3 Pro

openai/o3-pro

The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...

Modalities
TextFileImage
In / out price
₩35,100 / ₩140,400
1M
Context
200K
Released
Jun 11, 2025

Pricing

Prices are quoted in Korean won. Changes to the exchange rate or margin show up immediately.

Input (prompt)₩35,100 / 1M
Output (completion)₩140,400 / 1M
Cache read₩3,510 / 1M
Cache write

1,000 input tokens plus 1,000 output tokens costs about ₩176.