
Open AI just released its last reasoning models after o1, named o3 mini and o3 mini High. It’s vital to stay informed about the latest technologies that shape our future. OpenAI new o3 Mini models are specialized in STEM (Science, Technology, Engineering, and Mathematics) reasoning, which promise to enhance our interaction with AI.
At University 365 (U365), we are dedicated to promoting lifelong learning through neuroscience and AI. Staying informed about these innovations is essential for both students and professionals. Let’s dive into our comprehensive review of OpenAI's o3 mini models.
Introducing the o3 Mini Models
The o3 Mini series represents OpenAI's latest effort in providing a cost-effective and efficient reasoning model. According to OpenAI, this model excels in areas such as science, math, and coding, while being more affordable and quicker than its predecessor, the o1 Mini.
The o3 Mini is noted as the first small reasoning model that incorporates highly requested features for developers, such as function calling, structured outputs, and developer messages, making it production-ready from the start.

Performance and Evaluation
In evaluations conducted by expert testers, the responses generated by the o3 Mini were preferred over those from the o1 Mini 56% of the time. Moreover, there was a remarkable 39% reduction in major errors on complex real-world questions. This is a significant leap forward for AI reasoning capabilities.

Benchmarking the o3 Mini Models
When it comes to benchmarking in math, the o3 Mini High model scored an impressive 87.3, outperforming the o1 model which scored 83.3. This trend continued with PhD-level science questions, where the o3 Mini High also showed superior performance.
In coding benchmarks, the o3 Mini models consistently surpassed the o1 series, demonstrating their effectiveness in various applications.
Efficiency and Speed
Speed is another crucial factor where the o3 Mini shines. In AB testing, it delivered responses 24% faster than the o1 Mini, averaging 7.7 seconds compared to 10.16 seconds.
This combination of speed and intelligence makes the o3 Mini an attractive option for developers looking to enhance their applications.

Cost-Effective Intelligence
OpenAI has made strides in reducing the cost of intelligence, with the o3 Mini models reflecting a 95% decrease in per-token pricing since the launch of GPT-4, all while maintaining top-tier reasoning capabilities. This is particularly important for developers who are looking for efficient and budget-friendly solutions in their projects.
Web Search Capabilities
One notable feature of the o3 Mini models is their ability to search the web, a functionality that was not available in the o1 models. This capability empowers users to gather real-time information, enhancing the o3 Mini's utility for tasks that require up-to-date data.
However, it is important to note that the o3 Mini models do not currently accept document uploads and lack the vision capabilities found in the o1 models.

Real-World Application Examples
In a practical demonstration, the o3 Mini was tasked with scraping documentation to provide a comprehensive summary about HTTP requests in the n8n application. The model processed the request quickly, showcasing its ability to assist in real-world scenarios efficiently.
We also tested the o3 mini High model to code a quick game application from a simple prompt including complex features, and we were particularly and pleasantly surprised by the model's ability to generate a perfectly optimized and compliant code according to our request.
Conclusion
The release of OpenAI's o3 Mini models marks a significant step forward in AI technology, offering enhanced reasoning capabilities, speed, and cost-effectiveness.
At University 365, we recognize the importance of integrating such advancements into our educational framework. By equipping our students and faculty with the latest tools and knowledge, we prepare them to thrive in an AI-driven job market. Staying updated and eager to adapt to innovations like the o3 Mini is crucial for success in this rapidly evolving landscape.
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