AlterMind is a customized GPT conversation system that helps users create custom chatbots. It can be used to automatically answer customer questions, provide user guides, and explain complex documents. AlterMind offers a simple API and document upload functionality, allowing users to customize the chatbot's functionality and appearance. Pricing is based on usage and can be found on the official website. AlterMind aims to help businesses enhance customer service and provide personalized conversational experiences.