Gatekeep

Combine studying, work, and creativity in a multi-model assistant (GPT, Gemini, Claude, DeepSeek, Nano Banana). This assistant can summarize PDFs and YouTube videos, solve math problems, and generate images, videos, and talking avatars in 17 languages

Turn your lectures, PDFs, and notes into flashcards, quizzes, mind maps, videos, and podcasts with the help of a built-in AI tutor. The tool automatically cites your sources to prevent errors and centralizes all your group work in one place

You import a PDF, slides, or a web page, and the platform automatically creates a lesson with voice-overs, avatars, quizzes, and content translated into more than 30 languages. You can adjust the tone and speed and easily export the result

An AI for teachers who want to design online lessons and courses automatically