ClassX

Flint is an AI-native personalized learning platform built for K-12 education that helps teachers create differentiated lessons, track student progress, and engage every learner with tailored instruction while giving students a 24/7 AI tutor that delivers interactive activities, instant feedback, and support across subjects such as math, English, science, social studies, world languages, and computer science. It uses advanced AI models to power features like AI-generated activities (“Sparky”), real-time student analytics, content upload from PDFs or web links for customized learning material, and tools such as interactive whiteboards, essay feedback, code editing, graphing support, and image processing to enrich the learning experience. Flint includes productivity tools for teachers, such as text summarizers, translators, proofreaders, text rewriters, scaffolders, unit plan generators, and standards-aligned assessment creators.

VibeGrade is an AI-powered essay grading tool that integrates directly into platforms like Google Docs, Google Classroom, Canvas, Toddle and other LMS systems via a Chrome extension, letting educators grade essays in seconds using their own customized rubric criteria and receive instant detailed feedback with a clear grade breakdown while checking for plagiarism and AI-generated writing. It analyzes text with precision using the teacher’s rubric to provide smart annotations that highlight strengths and areas for improvement, automatically calculates an accurate final grade estimate, and offers playback of the student’s writing process to give deeper insight into revision patterns and potential AI assistance. Built-in plagiarism checking and AI writing detection help uphold academic integrity without needing separate tools and the extension also enables creation of lesson plans, quizzes and worksheets quickly within familiar workflows.