If you're looking for a ChatDox alternative, ChatDOC is another top option. This AI-based system lets you quickly summarize and analyze documents of various types, including PDFs, WORD files and websites. It can provide immediate answers to questions, engage in multi-document conversations and even parse math formulas. It's good for students and professionals who need to extract information from multiple sources.
If you're looking for something that can handle more than plain text documents, Twelve Labs has a multimodal AI platform that's geared for video. It can be used for fast search, text generation and classification of video libraries, and is good for media and entertainment companies.
Last, AskYourPDF offers a conversational interface to query your PDFs using the ChatGPT interface. It includes a Chrome extension and mobile app, so you can ask questions of long PDFs and get answers. It's available in several pricing tiers, from individuals to bigger businesses.