Cognii is an innovative educational technology platform that leverages artificial intelligence to enhance learning experiences across K-12, higher education, and corporate training sectors. This tool specializes in providing AI-powered virtual tutoring and natural language assessment for open-response questions, allowing students to engage in deeper learning through conversational interactions. By enabling learners to articulate their thoughts in their own words, Cognii fosters critical thinking and knowledge construction. The platform offers immediate feedback and personalized tutoring, helping students master concepts through multiple attempts. Educators benefit from reduced grading burdens and enhanced insights into student performance through rich analytics. Cognii's adaptive personalization tailors learning paths to individual student needs, making it a practical solution for organizations aiming to improve engagement, retention, and educational outcomes while reducing costs. Its unique features include formative assessments that provide real-time feedback, one-to-one tutoring that supports mastery learning, and a focus on open-response questions that move beyond traditional multiple-choice formats.