Whismer is a customized AI question-answering assistant tool. It enables users to train personalized AI assistants by uploading their own professional data, resulting in more precise, professional, and intelligent responses. Users can upload various file formats, add links, and notes as resources for Whismer to proactively learn and address relevant queries. By customizing Whismer, users can create various types of AI assistants such as work aides, customer service assistants, learning aids, and more, enhancing efficiency and accuracy. Whismer also offers free usage limits and perpetual free usage. This tool encompasses a range of functionalities including writing, translation, copywriting, code writing, search, and inspiration provision, catering to diverse needs across professional domains.