Description
Brilliant is an online learning platform that teaches math, programming, data analysis, AI, and science through guided, interactive problem solving rather than passive lectures. Its curriculum is crafted by award-winning teachers, subject-matter experts, and learning designers, and it is used by more than 10 million learners with over 100,000 five-star app reviews.
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Every session is visual and interactive, letting learners play with concepts and work through problems step by step to build intuition. Koji, Brilliant's AI tutor, asks the right questions, provides visual guidance, and gets to the heart of where a learner is stuck. It tracks what a learner has mastered and where they struggle, then builds practice around those gaps, speeding up or slowing down as needed. Streaks, levels, and daily goals are designed to keep learners motivated and returning.
The catalog covers subjects from grade 5 through college and beyond, including arithmetic, algebra, calculus, probability, computer science fundamentals, neural networks, quantum computing, data visualization, clustering, classification, and regression, with 40+ courses in total.
Intro lessons are free, and Brilliant Premium unlocks unlimited access to all courses, daily lessons, tutoring by Koji, and an ad-free experience across devices. Monthly, annual, family (6 seats), gift, and group plans are available.
- CategoryAI Tutors & Homework Help
- Pricing ModelFreemium
- DeploymentCloud
- PlatformsWeb
Brilliant's Core Features
Guided, interactive problem-solving lessons
Koji AI tutor with visual, step-by-step guidance
Adaptive practice built around each learner's gaps
40+ courses in math, coding, data, AI, and science
Visual, hands-on lessons instead of passive lectures
Streaks, levels, and daily goals to build a habit
Content from grade 5 through college and beyond
Progress tracking synced across all devices
How to use Brilliant?
Pick a subject: Choose from math, programming, data, AI, or science courses.
Start a lesson: Work through visual, interactive problems step by step.
Learn with Koji: Use the AI tutor for questions, guidance, and adaptive practice.
Build a habit: Keep streaks, hit daily goals, and level up as you progress.
Upgrade for full access: Move to Premium for unlimited courses and tutoring by Koji.
Brilliant's Use Cases
- STEM learning
- AI tutoring
- Coding foundations
- Exam and test prep
- Lifelong learning







