GoKawiilExplainer: Proprietary, Open-Weight and Open Source AI Models Explained
AI language models fall into three broad categories based on how much of their inner workings are shared publicly: proprietary systems that keep code and weights closed, open-weight models that release trained parameters without full training data or code, and open source models that make the entire stack available for inspection and modification. The distinctions affect how much control, transparency, and customization developers and businesses get when building on top of these systems.