OpenAI o3-mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding.
Prices update automatically — checked hourly against provider list prices.
Independent benchmark scores for o3 Mini, measured by Artificial Analysis. Higher is better.
o3 Mini 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.
o3 Mini is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 19 on the Artificial Analysis intelligence index.
o3 Mini is not free: it costs $1.1 per million input tokens and $4.4 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
Independent benchmarks from Artificial Analysis give it GPQA 74.8%, MMLU-Pro 79.1%, Humanity's Last Exam 8.7%, LiveCodeBench 71.7%, SciCode 39.9%, MATH-500 97.3%, AIME 77%, τ²-Bench 28.7%, Terminal-Bench Hard 6.8%.