Mentori: Turning Documents Into Interactive AI Tutors with Gemini Live

Disclosure: This article and the Mentori project were created for the purposes of entering the Google Gemini Live Agent Challenge hackathon. The Problem We Wanted to Solve Every student studies from documents — PDFs, lecture slides, research papers, technical documentation. But the experience is usually the same. You sit there staring at a page trying to understand a concept. If it doesn't make sense, you reread the same paragraph again. And if it still doesn’t make sense, you open another tab and start searching for explanations somewhere else. That breaks the learning flow. Modern AI assistants help a little, but they have another problem: they answer from general knowledge , not from the exact document you're studying. That means explanations often don't match the terminology, context, or examples used in the material. We started thinking: What if the document itself could become the tutor? Not a chatbot. Not a search tool. A tutor that understands the document and can teach, explai