ChatGPT is based on the transformer architecture and is trained on a large corpus of text data to generate human-like responses to text-based inputs. The model has been fine-tuned to perform various tasks such as answering questions, generating text, and providing recommendations, among others.
With its state-of-the-art language generation capabilities, ChatGPT allows for human-like interactions with users, making it a powerful tool for various applications in industries such as customer service, education, and entertainment.