VibeGrade (YC X25)

VibeGrade is the only AI essay grader that works where you work. We built the world's first AI agent for teachers that grades essays directly in Google Docs, Classroom and Canvas in 1 click. VibeGrade automates the teacher's workload, instantly returning comments and a detailed grade breakdown directly to the student in seconds. Teachers can check for Plagiarism, AI Writing and review the student's writing process with the click of a button, safeguarding academic integrity. We equip teachers with a suite of tools that streamline the grading process, reduce bias and preserve academic integrity. - Smart Annotations - Grade Breakdown - Plagiarism Check - AI Writing Detection - Playback Writing - Watch the student's writing process. Our mission is to create a better education system for everyone, empowering both teachers and students. VibeGrade’s standardized assessment system ensures teachers save time while delivering fair, actionable feedback. This approach not only reduces bias but also helps students improve their work through meaningful guidance.