If you want a tool to help you comprehend research papers, Explainpaper could be for you. The AI-based system lets you upload papers, flag passages you don't understand, then get a detailed explanation. It also can summarize papers, analyze multiple papers, and offer different pricing levels depending on your needs.
Another good option is Scholarcy, which converts academic papers into interactive summary flashcards. It can handle lots of file formats, summarize papers, analyze them, organize them and synthesize them, so it's a good all-purpose tool for students and researchers. Scholarcy also can highlight passages, create literature matrices and generate bibliographies.
For a more general research assistant, SciSpace offers an AI Copilot designed to make scientific text easier to understand. It also offers a literature review platform, paraphraser and citation generator. With support for more than 75 languages and a massive database of research papers, SciSpace hopes to help you get more done and speed up your research.
Last, Semantic Scholar offers a free AI-powered research service to help scholars find and read papers from a database of more than 219 million documents. It's got powerful search filters, brief summaries, citation tools and research feeds. It's good for researchers and developers, too, with AI-generated definitions and answers to questions about papers, and it's free.