Gradio is an open-source Python library designed to simplify the process of creating user interfaces for machine learning models. It allows developers to quickly build interactive web applications that can showcase their models, making it easier for users to test and understand the functionality of AI systems. With Gradio, users can customize layouts using blocks, enabling a flexible design that suits various applications. This tool is particularly beneficial for researchers and practitioners in AI and data science, as it bridges the gap between complex models and user-friendly interfaces, enhancing accessibility and engagement with machine learning technologies.