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o3 ProAPI
o3 Pro (OpenAI): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for o3 Pro, measured by Artificial Analysis. Higher is better.
About this model
o3 Pro is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed hourly from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is o3 Pro?
o3 Pro is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 32.5 on the Artificial Analysis intelligence index.
Is o3 Pro free?
o3 Pro is not free: it costs $20 per million input tokens and $80 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is o3 Pro good at?
Independent benchmarks from Artificial Analysis give it GPQA 84.5%.