GPT-4.1 Series Models Land on Azure Cloud Services
17
2025-04-17

 

 
The brand-new GPT-4.1 series models have officially joined the Azure OpenAI Service (international version) and GitHub.
 
This series includes three versions: GPT-4.1, 4.1-mini, and 4.1-nano. In key areas such as code generation, instruction understanding, and long-text processing, the new versions have achieved significant upgrades, providing strong support for developers to build more powerful and intelligent AI applications.
 
In addition, GPT-4.1 and 4.1-mini already have the ability of model fine-tuning. Developers can customize exclusive models according to specific business scenarios, so that generative AI applications can better meet actual needs.
 
What aspects has GPT-4.1 optimized?
GPT-4.1 is the latest iterative version based on the GPT-4o model, focusing on comprehensive optimization of code generation and instruction understanding. For developers, in any development scenario, this version can significantly improve work efficiency and accelerate the intelligence of the development process.
 
Where does the power of GPT-4.1 lie?
The three core upgrades of GPT-4.1 are as follows:
 
· Enhanced coding and instruction understanding capabilities: This version performs excellently in handling complex technical problems. It can generate concise and clear front-end code, accurately locate modification points in existing code, and generate output results that can be directly compiled and run.
 
· Long-context processing capability: It supports million-token input, and can easily handle long-document analysis or multi-round complex conversations, which is very suitable for building intelligent agents that need to gradually deepen understanding.
 
· Improved intelligent understanding ability: It performs better in handling complex and multi-step task instructions, is more intuitive and collaborative, and is suitable for a variety of application scenarios.
 
Functionality is compatible with the GPT-4o series
In addition to the new capabilities, GPT-4.1 also inherits the API capabilities of GPT-4o, supporting advanced functions such as tool calling and structured outputs, which facilitates developers to quickly connect it to existing systems.
 
 
GPT-4.1 supports model fine-tuning
 
In the future, the supervised fine-tuning function of GPT-4.1 and 4.1-mini will be enabled.
Developers can fine-tune model parameters according to business needs and use their own data to safely customize the basic model. The fine-tuned models will be managed and deployed through Azure AI Foundry (international version) to ensure that developers can fully control version, security, and scalability.
 
 
If you want to consult more about the GPT-4.1 series models, please contact Nova.
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