WhatsUpDoc is a tool designed for developers, providing a selection of GPT models suitable for various coding tasks. It features an environment that supports multiple RAG instances, facilitating a singular, integrated workspace. The platform allows for access across different devices and browsers, and integrates with common coding environments. It maintains a comprehensive index of the most current documentation and discussions from GitHub, as well as relevant external resources like blogs and forums. WhatsUpDoc operates on a one-time purchase model, where users can buy more credits as needed, and it includes free updates post-purchase. Additionally, there is an option to access a free tier, which offers a snapshot of the platform's capabilities.