Next.js GPT is a type of Generative Pre-training Transformer (GPT) designed as a coding assistant for those using the Next.js framework. It leverages the abilities of ChatGPT and is aimed specifically at developers working with Next.js, providing guidance and offering valuable insights into coding related issues and challenges. With Next.js GPT, developers can get assistance with coding problems, understand concepts better, and potentially improve their Next.js knowledge and skills. The application also features prompt starters, which could be instrumental in helping users define or redefine coding queries to get the most relevant responses or solutions. It is vital to note that to use the Next.js GPT, one may need a ChatGPT Plus subscription, given this GPT is an application built on the ChatGPT platform. While this text does not specify the exact range of functionality that Next.js GPT brings, it suggests that this tool is purposed to enhance the user's Next.js coding experience by providing a ready reference and smart intervention to meet their coding needs.