o1-mini

Mathematics
Paid

A simplified and affordable language model from OpenAI for tasks that require logical reasoning.

Overview

o1-mini

Description of the o1-mini neural network

o1-mini is a simplified and more affordable version of OpenAI's o1 language model, released on September 12, 2024. The model is specifically optimized for solving tasks that require deep logical reasoning, while consuming significantly fewer computational resources compared to the full-sized version. o1-mini works exclusively with text input, does not support multimodality, and is distributed under a proprietary license through the OpenAI API and partner integrations, including GitHub Copilot.

Purpose of the model

The model was created as a cost-effective solution for scenarios where high reasoning accuracy matters, but the computing budget is limited. It is ideally suited for embedding in data analysis applications, lightweight chat services, and developer tools that require fast and accurate answers without the cost of heavier models.

Key technical metrics

o1-mini demonstrates outstanding results in benchmarks: 92.4% on HumanEval (programming tasks) and 90% on MATH-500 (mathematical tasks). At the same time, its usage cost ranges from $3 to $12 per million tokens, making it one of the most affordable models in its class for complex reasoning.

Characteristics of o1-mini

CharacteristicValue
Model nameo1-mini
Release dateSeptember 12, 2024
Developer companyOpenAI
ArchitectureTransformer (exact details not disclosed)
Number of parametersExact data not disclosed
Context window128,000 tokens
Maximum output65,500 tokens
Input formatText
Multimodal capabilitiesNone
Access methodsVia OpenAI API; integration into products such as GitHub Copilot
Cost (input tokens)$3 per million tokens
Cost (output tokens)$12 per million tokens
LicenseProprietary
Average score (rating)71.9%

Who is the o1-mini neural network suitable for?

Developers and engineers

The model is optimal for programmers who need a cost-effective but accurate AI assistant for writing, debugging, and refactoring code. Its high result on the HumanEval benchmark (92.4%) confirms its effectiveness in programming tasks. Integration with GitHub Copilot makes it available directly in the developer's work environment.

Analysts and researchers

Professionals working with scientific data, mathematical calculations, and real-time analytics will find in o1-mini a tool for quickly processing complex queries. The model can handle a context of up to 128,000 tokens, allowing it to analyze large documents and datasets.

Operators of lightweight chat applications

For companies launching chatbots or support services with a limited computational budget, o1-mini offers a balance between cost and answer quality. It is especially effective in scenarios that require logical reasoning rather than creative content generation.

How to use the o1-mini neural network?

Via the OpenAI API

The primary way to access o1-mini is through the official OpenAI API. Developers can integrate the model into their applications by sending text requests and receiving responses. The API supports features such as function calling, structured output, code execution, web search, and batch processing, which expands the possibilities of use.

Integration with products

The model is available through partner integrations, in particular in GitHub Copilot. This allows developers to use o1-mini capabilities directly in the development environment for getting code hints, refactoring, and solving algorithmic tasks. Access requires an OpenAI account and a subscription to the corresponding plan.

Key features of o1-mini

Advanced reasoning capabilities

The model is optimized for tasks that require multi-step logical chains. Despite its compact size, o1-mini maintains high accuracy in science, programming, and mathematics, as confirmed by benchmarks. At the same time, it responds faster compared to o1-preview.

Support for advanced tools

o1-mini supports function calling, which allows it to interact with external APIs and databases. Structured output, code execution, web search for up-to-date information, and batch processing of requests to save time are also available. The model supports fine-tuning for specific tasks.

Large context window

The 128,000-token context window allows processing large texts, such as entire books, documentation, or long conversations. The maximum output of 65,500 tokens makes it possible to generate detailed responses, including code and analytical reports.

Advantages of o1-mini

Cost-effectiveness

The main advantage of the model is its low cost: $3 per million input tokens and $12 per million output tokens. This makes o1-mini accessible for small deployments and startups where AI computing budgets are limited, but high reasoning accuracy is required.

High accuracy in reasoning tasks

Despite its smaller size, the model shows competitive results on complex tasks: 92.4% on HumanEval and 90% on MATH-500. This places it above many larger models in the narrow areas of programming and mathematics.

Large context window

128,000 tokens of context is a significant advantage for working with large documents and long dialogues. The model can retain in memory and analyze large amounts of information without losing answer quality.

Disadvantages of o1-mini

Lack of multimodality

The model works only with text input and does not support processing images, audio, or video. This limits its application in computer vision, speech recognition, or multimedia content analysis tasks.

Limited access to the reasoning chain

For security reasons, OpenAI limits access to the model's internal reasoning chain. This can complicate debugging and verification of answer logic in critical applications.

Possibility of reasoning errors

In 0.38% of cases, the model can generate responses that contradict accuracy or its own reasoning chain. Although the rate is low, this can be critical for tasks with high reliability requirements.

What tasks does o1-mini solve

Scientific research and analysis

The model is suitable for in-depth analysis of scientific articles, processing experimental data, and generating accurate answers to research questions. The large context window allows working with full texts of publications.

Programming and mathematics

o1-mini effectively solves programming tasks (HumanEval: 92.4%) and mathematical tasks (MATH-500: 90.0%). It can generate, debug, and optimize code, as well as perform complex mathematical calculations and proofs.

Real-time analytics and lightweight chat applications

Thanks to its fast response and low cost, the model is suitable for analytics systems that require instant query processing, as well as for chatbots and virtual assistants working with text dialogues.

Pricing of o1-mini

The cost of using the model is calculated based on the number of processed tokens:

  • Input tokens (prompt): $3.00 per 1 million tokens.
  • Output tokens (generation): $12.00 per 1 million tokens.

This makes o1-mini one of the most economical OpenAI models for tasks requiring complex reasoning. Prices are fixed and do not depend on the volume of context, but may vary depending on the region and terms of partner integrations.

Terms of use of o1-mini

The model is distributed under OpenAI's proprietary license. Access to it is provided through the official OpenAI API and partner products, for example, GitHub Copilot. Use is governed by OpenAI's standard terms, which include restrictions on access to the model's reasoning chain for security reasons. Commercial use requires compliance with company policies, including the prohibition on creating malicious content and bypassing security measures.

Availability of o1-mini

The model is available through the OpenAI API for all registered users with an active subscription. In addition, it is integrated into GitHub Copilot, which facilitates access for developers. o1-mini works exclusively with text input — multimodal capabilities (images, audio, video) are absent. Access is via the internet, and a stable connection is required for use.

How o1-mini differs from analogues

Comparison with o1-preview

o1-mini is faster and significantly cheaper than the preliminary o1-preview version. It is positioned as a lightweight model for small deployments, while o1-preview is designed for more complex and resource-intensive scenarios.

Comparison with other OpenAI models

Compared to GPT-3.5 Turbo, o1-mini offers higher accuracy in reasoning and programming tasks, but is inferior in creativity and breadth of knowledge. Unlike GPT-4 Turbo, it is cheaper and faster, but does not support multimodality. o3-mini, as a later version, may surpass o1-mini in speed, but exact comparisons depend on specific tasks.

Conclusion

o1-mini is an optimized and cost-effective language model from OpenAI, specifically designed to solve complex reasoning tasks in science, programming, and mathematics. Thanks to its 128-thousand-token context window, low cost ($3–12 per million tokens), and high accuracy (92.4% on HumanEval, 90% on MATH-500), it represents an attractive solution for developers, analysts, and researchers who need performance without extra costs. The main limitations — lack of multimodality and a proprietary license — make it a niche but effective tool for text tasks.

Embedding into data analysis applications
lightweight chat services
Solving programming and math problems

Frequently asked questions

See also

o1-mini — review of the economical reasoning neural network