rtest.ai: Smarter, Faster, Fairer Test Prep with AI

rtest.ai is an innovative, AI-powered diagnostic platform designed to help students prepare for high-stakes exams like the SAT®, ACT®, PSAT/NMSQT®, and AP® with remarkable efficiency and precision. Built by Riiid, Inc. in Seoul, Korea, it leverages advanced machine learning models—Knowledge Tracing (KT) and Score Prediction (SP)—validated at top AI conferences, to deliver highly accurate, personalized insights in as little as 40 minutes. Using the proprietary Fast CAT algorithm, rtest.ai adapts questions in real time to minimize testing time by up to 75% while maximizing diagnostic depth. The platform generates comprehensive analytics reports that highlight strengths, pinpoint improvement areas, and provide tailored practice questions, empowering students to learn effectively without the stress of traditional testing. With over 16 research papers, 59 patents, and input from 2,340 experts, rtest.ai is a trusted solution in education technology, continuously updated with new test sets including Digital SAT® and ACT®. It's fully online, browser-compatible, and committed to making test prep more accessible and equitable for all learners.

Key Features:

• AI-Powered Diagnostic Testing: Rapid assessment across SAT®, ACT®, PSAT/NMSQT®, and AP® exams.
• Fast CAT Algorithm: Adaptive question selection reduces test time to 1/4 of standard duration.
• 87% Accurate Score Prediction: Machine learning models validated at leading AI conferences.
• Knowledge Tracing (KT): Identifies learning gaps and tracks progress over time.
• Personalized Practice Questions: Tailored recommendations based on individual performance.
• Comprehensive Analytics Reports: Detailed insights into strengths, weaknesses, and readiness levels.
• Continuous Updates: Regularly adds new test sets, including recent Digital SAT® and ACT® releases.
• Stress-Free Learning Experience: Designed to support growth, not just evaluation.
• Web-Based Accessibility: Fully online and compatible with Chrome, Safari, and Edge.

Pricing: While specific pricing details are not publicly listed, rtest.ai offers a freemium model with free access to core diagnostic features and premium analytics available through subscription tiers.

Conclusion: rtest.ai is a transformative educational tool that harnesses cutting-edge AI to deliver fast, accurate, and personalized test preparation—making it an essential ally for students aiming to achieve their best scores with confidence and clarity.