GPT-4o mini API: New Features, Pricing, Usage, and More

On June 18th, 2024, OpenAI introduced GPT-4o Mini, a cost-efficient and versatile AI model designed to make advanced AI capabilities accessible to a broader audience. This blog explores its features, benefits, pricing, and how to deploy the GPT-4o mini API faster.

Oliver Kingsley

Oliver Kingsley

18 May 2025

GPT-4o mini API: New Features, Pricing, Usage, and More

On June 18th, 2024, OpenAI introduced the GPT-4o mini, a revolutionary advancement in cost-efficient artificial intelligence. This new model is designed to bring advanced AI capabilities to a broader audience by significantly reducing the cost of deployment while maintaining high performance and versatility. In this blog, we will delve into the key aspects of GPT-4o mini, including its features, advantages, pricing, and usage.

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Speed up your GPT-4o Mini API integration using Apidog, an all-in-one API development platform. With Apidog's pre-built code snippets and streamlined testing and management features, you can effortlessly incorporate the GPT-4o Mini API into your applications, reducing development time and effort.
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What is GPT-4o mini?

GPT-4o mini is a cutting-edge artificial intelligence model developed by OpenAI, designed to provide robust performance at a significantly reduced cost compared to previous models. It is part of OpenAI's broader initiative to make advanced AI more accessible and affordable.

GPT-4o mini official announcement image

For more details, visit the OpenAI's official website.

What's New about GPT-4o mini API?

OpenAI has introduced GPT-4o mini, heralded as their most cost-efficient small model to date, making advanced AI capabilities more accessible and affordable than ever before. Here are the key innovations and features of GPT-4o mini:

1. Unprecedented Cost Efficiency:

GPT-4o mini is priced at an extremely competitive rate of 15 cents per million input tokens and 60 cents per million output tokens, making it an order of magnitude more affordable than previous models and over 60% cheaper than GPT-3.5 Turbo.

2. Superior Performance Metrics:

Model evaluation scores between different AI models developed by OpenAI

3. Versatility in Task Handling:

The model can manage a broad range of tasks efficiently, from chaining multiple model calls and handling large volumes of context to providing fast, real-time text responses for customer interactions.

4. Multimodal Support:

Currently, GPT-4o mini supports text and vision inputs in the API. It is set to expand to include text, image, video, and audio inputs and outputs in the future.

5. Extended Context Window:

With a context window of 128K tokens and support for up to 16K output tokens per request, GPT-4o mini is well-suited for tasks that involve extensive data input.

6. Enhanced Non-English Text Handling:

Thanks to an improved tokenizer shared with GPT-4o, the model is now more cost-effective in handling non-English text.

7. Advanced Safety Measures:

8. Proven Practical Applications:

Trusted partners such as Ramp and Superhuman have already tested and found that GPT-4o mini significantly outperforms GPT-3.5 Turbo in practical tasks like extracting structured data and generating high-quality email responses.

9. Immediate Availability

GPT-4o mini is available through the Assistants API, Chat Completions API, and Batch API. It is accessible to Free, Plus, and Team users on ChatGPT starting today, with Enterprise users gaining access next week.

10. Reduction in AI Costs:

Remarkably, the cost per token for GPT-4o mini has dropped by 99% since the introduction of text-davinci-003 in 2022, underscoring OpenAI's commitment to driving down costs while enhancing model capabilities.

Where can the GPT-4o mini API be accessed?

The GPT-4o mini API can be accessed through several OpenAI API endpoints:

  1. Assistants API
  2. Chat Completions API
  3. Batch API

Additionally, GPT-4o mini can be used within ChatGPT, where it is accessible to Free, Plus, and Team users starting today(June 18th, 2024), with Enterprise users gaining access next week.

GPT-4o vs GPT-4O mini: What are the Difference?

OpenAI has introduced two remarkable models, GPT-4o and GPT-4o mini, as part of their ongoing mission to make advanced artificial intelligence more accessible and versatile. While both models are natively multimodal, designed to process a combination of text, audio, and video inputs, and generate text, audio, and image outputs, they serve different purposes and audiences:

1. Model Size and Cost

2. Performance and Speed

3. Current API Capabilities

4. Application Versatility

5. Practical Use Cases

GPT-4o mini Pricing

GPT-4o mini is designed to be a cost-efficient AI model, making advanced artificial intelligence accessible to a broad range of users. Here are the pricing details for GPT-4o mini:

This pricing structure makes GPT-4o mini significantly more affordable than previous models. For instance, it is over 60% cheaper than GPT-3.5 Turbo, and an order of magnitude more cost-effective than other frontier models.

To put this in perspective:

Click GPT-4o mini Pricing to get more information.

Cost Comparison

Practical Example

For a typical application, the cost could be calculated as follows:

This minimal cost demonstrates how GPT-4o mini allows for the efficient processing of large amounts of data at a fraction of the cost of previous models, making it highly scalable for various applications.

Deploy GPT-4O mini API Faster with Apidog

Managing and testing APIs is a critical aspect when using the GPT-4O mini API. Apidog, a leading API management and development tool, streamlines this process, making it more convenient and efficient.

What is Apidog?

Apidog is a comprehensive, all-in-one platform built for API design, documentation, debugging, mocking, and testing. To enhance user experience, Apidog features an API Hub that aggregates all popular APIs(for example, Twitter, Instagram, GitHub, Notion, Google, and of course, OpenAI), streamlining the discovery, management, and integration process.

Apidog An integrated platform for API design, debugging, development, mock, and testing
Discover all the APIs you need for your projects at Apidog’s API Hub, including Twitter API, Instagram API, GitHub REST API, Notion API, Google API, etc.

This centralized repository allows developers to find, access, and manage multiple APIs with ease, significantly simplifying their workflow and improving efficiency.

API Hub developed by Apidog

To implement GPT-4O mini API much faster, find OpenAI API documentation from Apidog’s API hub, and begin the test and deployment work immediately.

OpenAI API documentation created by Apidog

Prerequisite: Obtain an OpenAI API Key

To utilize the GPT-4O mini API, an OpenAI API key is required. Follow these steps to acquire your API key:

Step 1. Sign Up for an OpenAI Account:

Step 2. Generate Your OpenAI API Key:

Create new OpenAI API key at Apidog

Testing & Managing GPT-4O mini API with Apidog

Apidog simplifies the use of OpenAI APIs by providing a comprehensive OpenAI API project that includes all available endpoints. Currently, GPT-4O mini can be accessed through the Chat Completions API, Assistants API, and Batch API. Follow these steps to start using the GPT-4O mini API:

Step 1: Access the OpenAI API Project on Apidog:

Click "Run in Apidog" to import OpenAI project to the Apidog desktop
Select "Create chat completion" at Apidog to test the endpoint
Configure Openai model for endpoint testing

Step2: Authenticate and Send Request:

Add the authorization parameter in the header tap at Apidog
Send GPT-4O mini API request with Apidog

Pro tip: Apidog allows you to store your OpenAI API key as an environment variable. This enables you to reference the API key easily in future requests without re-entering it.

Store API key at environment variable for later use

By leveraging Apidog, you can efficiently manage, test, and utilize the GPT-4O mini API, driving more seamless and effective API integration for your projects.

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Summary

The introduction of GPT-4o Mini by OpenAI marks a significant milestone in the field of artificial intelligence. By offering advanced AI capabilities at a substantially reduced cost, GPT-4o Mini makes it possible for a wider audience to leverage its powerful features. Its superior performance, versatility, and affordability make it an ideal solution for various applications, from real-time customer support to complex data analysis. Testing and managing GPT-4o mini API with tools like Apidog further simplifies the management, testing, and deployment of this innovative API, ensuring seamless integration and efficient workflow in AI-driven projects.


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