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o4-mini

Significant step forward in affordable, fast, and capable AI reasoning with tool integration

The Fast, Visual Reasoning
AI for Modern Business

ChatGPT o4-mini is OpenAI’s latest small-scale reasoning model, optimized for speed, cost-efficiency, and multimodal capabilities. It features a 200,000-token context window and supports up to 100,000 output tokens, with full compatibility for text and image inputs, and text outputs, including structured responses.

ChatGPT 4.5 API

Fast, Cost-Efficient Reasoning

Despite its smaller size, o4-mini delivers strong results in math, coding, and visual tasks, and supports much higher usage limits than larger models like o3.

Multimodal Visual Reasoning

The model analyzes and reasons about visual inputs, such as diagrams and photos by leveraging advanced image understanding and manipulation tools.

Full Tool Access

o4-mini can autonomously use all ChatGPT tools, including web browsing, Python code execution, image analysis, and image generation.

3 Ways o4-mini Transforms Business

Learn how OpenAI's new model is revolutionizing operations in different sectors.

AI Writing
Energy & Utilities

Utilities and energy companies can leverage o4-mini to forecast demand, monitor infrastructure, and analyze operational data. For instance, the model can autonomously gather public utility data, run predictive analytics, generate visual forecasts, and explain key factors influencing trends such as seasonal energy usage. It streamlines reporting and supports decision-making for grid management or sustainability initiatives.

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Healthcare

In healthcare, o4-mini can process both structured and unstructured data, such as handwritten notes, medical charts, and diagnostic images. It can extract patient information, summarize medical histories, and assist in diagnostics by analyzing and reasoning over visual data (like X-rays or lab results). This supports faster, more accurate patient intake, triage, and reporting, while also ensuring compliance with data privacy and medical regulations.

AI Customer Support
Financial Services

o4-mini enables financial institutions to automate complex regulatory compliance checks and risk assessments. For example, it can review large volumes of contracts, invoices, and identity documents, extract relevant data, cross-reference regulatory requirements, and flag anomalies or compliance risks in real time. This reduces manual workload, accelerates onboarding, and enhances audit accuracy.

AI/ML API

Why Choose AI/ML API solution?

AI/ML API  provides scalability, faster deployment, and access to 200+ advanced machine learning models without the need for extensive in-house expertise or infrastructure.

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Easy To Use

Our API allows seamless integration of powerful AI capabilities into your applications, regardless of your coding experience. Simply swap your API key to begin using the AI/ML API.

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Scalable

AI/ML API provides flexibility for business growth since you can scale resources by purchasing more tokens as needed, ensuring optimal performance and cost efficiency

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Affordable

We offer flat, predictable pricing, payable by card or cryptocurrency, keeping it the lowest on the market and affordable for everyone.

import os
from openai import OpenAI

client = OpenAI(
    base_url="<https://api.aimlapi.com/v1>",
    api_key="<YOUR_API_KEY>",
)

response = client.chat.completions.create(
    model="openai/o4-mini-2025-04-16",
    messages=[
        {
            "role": "system",
            "content": "You are an AI assistant who knows everything.",
        },
        {
            "role": "user",
            "content": "Tell me, why is the sky blue?"
        },
    ],
)

message = response.choices[0].message.content

print(f"Assistant: {message}")

Getting started with
ChatGPT o4-mini API

AI Playground to quickly try ChatGPT o4-mini by OpenAI.

For more information about technical features, please refer to the ChatPGT o4 mini model card.

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