Cognii

Cognii is an artificial intelligence platform for education that functions as a virtual tutor and automated grading system for short essays. Its architecture is built on conversational AI, engaging students in a chatbot-style dialogue. The system’s Open Response feature allows students to construct answers in their own words, moving beyond multiple-choice formats. It provides real-time Formative Assessment and tutoring feedback, while instructors receive high-resolution analytics. The platform's Adaptive Personalization adjusts the learning path and coaching level for each user based on their performance on open-response assessments, supporting a one-to-one tutoring model. The platform is built for K-12 educators, higher education instructors, and corporate trainers. A primary use case is authoring pedagogically rich learning assessments that reduce the manual grading burden. For students, it acts as a tutor for structured science, mathematics, and humanities modules, guiding them with interactive explanations. While it assists researchers with literature summarization, complex mathematical proofs may still require cross-referencing primary sources. Daily generation limits on the free account can also restrict comprehensive multi-chapter writing tasks.