Another good option is StudyX, an AI learning assistant that handles homework with a variety of question types, deep learning, research for papers and AI writing with tools to generate and edit content based on a topic. StudyX is available as browser extensions for Chrome, Firefox, Edge and Safari, and it's got a clean interface that's easy to use.
If you're looking for something more geared toward academic writing and grammar, Studyable grades essays with its Essay Grader feature. It also can help you solve math problems, upload documents and get personalized feedback, so it's good for a lot of academic work. It's got more than 700,000 users, and it's popular with students and teachers at universities like Stanford, MIT and Harvard.
Finally, AssignmentGPT is geared specifically for students doing assignments, with tools to improve grammar and style, create diagrams and solve math problems. It's designed to follow academic standards, and it's got a range of pricing options depending on your needs.