How to install GPT-sun on Windows 11 It is a very hot topic, especially for those who like to play technology. The good news is that Openai has just launched two new AI models, allowing you to use them right on your computer without network and completely free. This article will guide you step by step most understandable to bring this “AI assistant” home.
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What is GPT-suns?
Openai has just stirred the world by launching two new open source “warriors” GPT-OSS-120B and GPT-OSS-20B. This decision is considered a strategic move, responding to competitive pressure from competitors, especially Chinese companies that are very strong in the release of low -cost AI models.
A special feature is that these models are in the form of “Open-Weight”, allowing the community to free, use, customize and re-distribute without wasting. The GPT-OSS-20B version can even run smoothly on a regular laptop with only 16GB of RAM, making the dream of owning a strong, private AI assistant and completely offline into a reality.

What is good GPT-sun?
Not only free and offline running, these two models also possess impressive technologies, showing their commitments Openai In giving anyone serving human interests.
- They are equipped with technology “Inferred according to the series of thinking”(Chain-of-Shuge Reasoning), allows anyone to take many logical steps before giving answers, helping to increase accuracy and profound feedback.
- They have the ability to act as a smart agent, can execute code, browse the web to find information, and even call other cloud models to support complex work.
- Their performance is extremely respectable, especially the GPT-OSS-120B version is assessed to have the same power as exclusive models like O3-mini and O4-mini of Openai itself.
- They are released with the open source tokenizer, an effective document processing tool, which helps Openai’s AI models have low operating costs. In particular, this tool helps GPT understand Vietnamese Natural as English without further training.

What should be prepared to install?
For the installation process to go smoothly, you need a support tool, Ollama. This is a great open source application, acting as a bridge to help you easily download and run large language models (LLM) right on your personal computer.
In terms of configuration, you should note:
- With the GPT-OSS-20B model: A computer with a minimum of 16GB of RAM is enough to experience.
- With the GPT-OSS-120B model: This is a bigger and stronger version, requiring very high hardware configuration such as specialized GPUs (for example, NVIDIA has 80GB VRAM), RAM from 256GB or more. Therefore, the 20B version is the most suitable choice for ordinary users.

Instructions on how to install GPT-sun on Windows 11
You can choose one of the following two methods: Use the graphic interface (GUI) or the command line (CLI). Both are very simple.
Method 1: Install via the Ollama interface
Step 1: You open the start, type Terminal or Command Promptthen right -click and choose Run as administrator (Run with administrative rights).
Step 2: Copy and paste this line and press Enter:
Winget Install -ID Ollama.ollama

Step 3: After installing, open the Ollama application from the menu Start > Select the model GPT-OSS: 20B.

For the first time, Ollama will automatically download this model to your computer. You just need to wait a bit. From now on, you can talk to anyone at any time.

Method 2: Install by the command line
Step 1: Install Ollama exactly the same way.
Step 2: Open Command Prompt or Terminal with administrative rights.
- To download the small version, type the following command and press Enter:
Ollama Pull GPT-sun: 20b
- If you have a very powerful machine and want to try a larger version, use the command:
Ollama Pull GPT-sun: 120b

Step 3: After the loading process is completed, type the following command to start the conversation session:
Ollama Run GPT-sun: 20b
From here, you can enter any questions and who will answer directly in the command line window.
Some important notes when used
- Performance depends on the hardware: If your computer does not have a graphics card (GPU) or a dedicated, dedicated nerve processor (NPU). WHO Feedback may be a bit slow.
- Absolute security and privacy: Because the model runs completely on your computer, all data and conversations are confidential, not sent to any server.
- Freedom: Models are released under Apache 2.0 licenses, allowing you to use freely for commercial purposes, fine-tuning and redistribution.
Conclusion
That’s it! Now you know How to install GPT-sun on Windows 11 That’s it. This is a great opportunity to experience the advanced AI technology itself safely and completely free. Try and see this personal AI assistant can help your work and life!