
Tutoring interventions
Koji provides instant, one-on-one help whenever you’re stuck. Get guidance, alternative explanations, or hints, using voice or chat.
A world-class tutor for every home.
Built by top learning experts from MIT and Harvard.
Learn with our tutor, Koji, on a shared interactive canvas. He sees where you’re getting stuck, then asks guiding questions, sketches on your screen, and gives hints to help you work through it.
Help when you need it
When you’re stuck, Koji asks guiding questions and offers visual hints to help you spot where you went wrong and solve the problem yourself.
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Build solid conceptual foundations with guided tutoring, from fractions through calculus. Then build fluency with targeted practice, assessments, and reviews.
Brilliant’s approach is built on the best available learning science, along with rigorous analysis of the millions of problem interactions and tutoring sessions happening on Brilliant daily.
Brilliant builds the foundational thinking skills that programmers need in the age of AI: designing programs, solving problems methodically, and reasoning about correctness, data, and cost.
Brilliant’s teaching approach is built around the essential skills every programmer needs today, along with rigorous data analysis of millions of problems and tutoring sessions.

Brilliant is crafted by award-winning teachers, subject-matter experts, and learning designers from top institutions.
Brilliant is fully accredited by ACS-WASC and is independently certified to meet strict U.S. standards for kids’ online privacy and safety. Brilliant is a member in the kidSAFE Seal Program. To learn more, click on the seal or go to www.kidsafe.com.
Learners, parents, and teachers rate Brilliant among the top learning apps on the App Store and Google Play.
Brilliant gives each classroom student access to their own interactive learning program. It sees what they’re doing, provides custom feedback, and assesses to ensure mastery. Teachers love it as classroom enrichment or as homework.