o3 is 20% cheaper than GPT-4o. Rethink everything.
OpenAI Developers
OpenAI Developers11.6.2025
We’re cutting the price of o3 by 80% and introducing o3-pro in the API, which uses even more compute. o3: Input: $2 / 1M tokens Output: $8 / 1M tokens Now in effect. We optimized our inference stack that serves o3. Same exact model—just cheaper.
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