Riiid

AI tutoring platform with deep reinforcement learning for test preparation

AI Education & LearningFreemium

Riiid is an AI education company known for pioneering the application of deep reinforcement learning to personalized test preparation. Its flagship product, Santa, is an AI-driven TOEIC, TOEFL, and SAT prep app that accurately predicts a learner's current score and optimal next study activity to maximize score improvement per unit of study time. Riiid's algorithms model each learner's knowledge state in real time and prescribe the single most impactful practice question or lesson at each moment. The company licenses its AI tutoring engine to educational publishers and institutions globally to power adaptive learning experiences.

Key Features

• ✓Score prediction modeling
• ✓Reinforcement learning tutor
• ✓Optimal next-item selection
• ✓TOEIC/TOEFL/SAT prep
• ✓AI engine licensing