Chatabc.ai is an AI tool that provides better chat using GPT models and team collaboration features. Users can benefit from a variety of power features, prompt libraries, and support for various GPT models like GPT-4. The tool also allows for organizing chats, uploading documents, and browsing 150+ builtin prompt or creating custom prompts. The tool is available for free with no credit card required, and it offers various pricing options for individuals, small teams, and customized enterprise needs.