Mentorbook is an AI-powered learning platform built to help anyone learn smarter with a personal AI mentor that teaches instead of simply answering questions. You can generate complete AI courses on any topic or turn YouTube videos, PDFs, images, and notes into structured summaries, mind maps, quizzes, study notes, and even code snippets in seconds. What makes Mentorbook stand out is its ability to create personalized multi-chapter learning paths, track your progress, and let you learn with leading AI models like Claude, GPT, Gemini, and DeepSeek, all from one place. Users especially enjoy how it transforms scattered learning materials into organized lessons and explains difficult concepts through interactive conversations that feel like studying with a real tutor. Mentorbook offers a Free plan to get started, while paid plans begin at $8.25/month (billed annually) for Pro, with a Max plan from $41.58/month (billed annually) for advanced users.