An AI engine is a software system designed to perform tasks that typically require human intelligence. It uses algorithms and data to learn from experiences, recognize patterns, and make decisions. Common applications include natural language processing, image recognition, and predictive analytics. These engines can be powered by various technologies, such as machine learning and deep learning. They are used in many industries, including healthcare, finance, and automotive, to enhance efficiency and improve decision-making processes. As AI technology advances, the capabilities of AI engines continue to expand, enabling more complex and intelligent applications.