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o4 MiniAPI
OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.
Prices update automatically — checked daily against provider list prices.
- $1.93 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 50% of the 192 commercial models tracked here
- 37 of 88 OpenAI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for o4 Mini, measured by Artificial Analysis. Higher is better. Measurement mode: high.
Models at this level cost $0.56 per 1M tokens (median of 15) — this one costs $1.93.
Cheaper and better on this index: GLM 5.3 Flash · Gemini 3.7 Flash · Gemini 3.7 Flash (batch) and 70 more
About this model
o4 Mini is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed daily 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 o4 Mini?
o4 Mini is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 26.1 on the Artificial Analysis intelligence index.
Is o4 Mini free?
o4 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.
What is o4 Mini good at?
Independent benchmarks from Artificial Analysis give it GPQA 78.4%, MMLU-Pro 83.2%, Humanity's Last Exam 16.5%, Long Context Reasoning 60%, LiveCodeBench 85.9%, SciCode 46.5%, MATH-500 98.9%, AIME 94%, AIME 2025 90.7%, IFBench 68.7%, τ²-Bench 55.6%, Terminal-Bench Hard 15.2%. It is particularly used for mathematical reasoning.