OpenAI is an artificial intelligence research organization that develops cutting-edge AI technologies and conducts research on various AI-related fields such as natural language processing, robotics, and reinforcement learning.
ChatGPT, on the other hand, is one of the language models developed by OpenAI that is specifically designed for generating human-like responses to text-based conversations. It is trained on massive amounts of data using deep learning techniques and can understand and generate responses to a wide range of topics and questions.
In summary, OpenAI is the organization behind the development of ChatGPT, and ChatGPT is one of the AI models created by OpenAI.