Includes major US listed companies at the forefront of AI research & development, integration and use of AI models. ChatGPT is a chat program released by the artificial intelligence research lab OpenAI in 2022 that uses the latest AI to learn from lots of data, so it can give clear and appropriate answers to a wide variety of questions. OpenAI works closely with Microsoft’s cloud service Azure. The partnership with OpenAI began in 2019 with an initial investment of $1 billion, followed by $2 billion in 2021, making Microsoft their exclusive provider of cloud computing services. Microsoft is integrating OpenAI's ChatGPT into Bing, Azure, and Microsoft Office Copilot. Investors are optimistic because ChatGPT is a big advance in understanding and using human language, which could change how we use technology in many areas, such as customer service, education, and entertainment. ChatGPT is the starting point and encourages the growth of AI that understands and generates human language.