o3 Mini

About o3 Mini

OpenAI o3-mini is the next-generation compact reasoning model, delivering significant improvements over o1-mini in both capability and efficiency. As part of the o3 family announced in late 2024, o3-mini achieves remarkable performance on complex reasoning tasks while maintaining fast response times and reasonable costs. The model features adaptive compute—allowing users to choose between low, medium, and high reasoning effort based on task complexity. o3-mini excels at mathematical reasoning, code generation, and scientific analysis, outperforming o1-mini on key benchmarks while offering better cost efficiency. It supports a 200K context window and includes improved safety measures. The model is particularly valuable for applications requiring reliable reasoning at scale, such as automated code review, technical support systems, and educational platforms. o3-mini represents OpenAI's commitment to making advanced reasoning capabilities more accessible, offering a practical path to deploying reasoning-enhanced AI in production environments where o3's full capabilities would be overkill.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

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🚀 Quick Start

Get started with o3 Mini API

from openai import OpenAI
client = OpenAI()

response = client.chat.completions.create(
    model="openai/o3-mini-2025-01-31",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

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