Artificial intelligence (AI) has become a hot topic in tech after the launch of OpenAI's ChatGPT software in November 2022. Amazon (NASDAQ: AMZN) and Nvidia (NASDAQ: NVDA) have each made promising strides in AI, strengthening their positions in the market's future. Amazon has used artificial intelligence to enhance its e-commerce business for years, using it for functions like consumer product recommendations, forecasting when demand for specific items will increase, and tracking deliveries.