Gatekeep

Gatekeep is a text-to-video AI platform that generates short educational explainer videos from user-entered prompts, primarily for math and physics. It automatically creates around 2-minute videos featuring charts, diagrams, and animations, making abstract topics more accessible. After watching, users can interact with its chatbot, Kepler AI, to ask follow-up questions. Advantages: Transforms difficult concepts into visual aids, lowering comprehension barriers; useful for self-study and classroom support; simple prompt-based interface; free tier includes three videos per day for trial. Drawbacks/risks: Currently focused on math and physics; coverage of other subjects may be limited. Requires a stable internet connection and suitable network environment. Video quality depends on prompt clarity; system-recommended prompts often yield better results. User feedback is sparse, so long-term reliability is unclear. Pricing details beyond the free quota are not publicly available, creating uncertainty for heavy or commercial use. Best suited for students studying STEM subjects, educators seeking quick visual aids, and curious learners.