Install and Run Locally OpenAI gpt-oss-20B LLM on Windows - Newest OpenAI Model

In this AI and machine learning tutorial, we explain how to install and run the OpenAI model gpt-oss-20B LLM locally on a Windows computer. The gpt-oss-20B model delivers results similar to OpenAI o3‑mini and can be executed on GPUs with 16GB of memory. It can be used to develop agents and integrated through Ollama, and is suitable for solving math, engineering, physics, and programming problems.