is a Generative Pre-training Transformer (GPT) developed by Katsuomi Kobayashi. The purpose of this GPT is to provide a rough estimate of the nutritional values of different types of foods based on the images provided by the user. When the user sends an image of the food, this GPT uses sophisticated techniques to roughly calculate the values of various nutritional factors of the food, such as calories, fats, fiber etc. This service aims to assist users in keeping track of their daily intake of different nutrients and better understanding the nutritional content of the foods they consume. It can be a handy tool for those interested in diet and nutrition, or who are health-conscious. To use the service, users are required to sign up and must have ChatGPT Plus. Service interactions can begin with various prompt starters, including requests to estimate the nutrients in a dish, discover the calorie content of a meal, inquire about the fat content of certain food, or learn about the fiber content of an uploaded image. This tool is an innovative usage of AI technology to enhance users' understanding and knowledge about the food they consume daily.