Opal

Opal is an AI-powered study tool built by students for students, designed to help learners study faster and remember more effectively. It transforms uploaded documents, audio recordings, and YouTube videos into personalized notes, flashcards, and quizzes using GPT-3.5 and GPT-4. Users can quiz themselves via active recall, track performance analytics, and interact with an AI knowledge companion named Albert. Documents can be organized by class or category and searched semantically, with support for multiple languages.