Free, comprehensive video-based learning platform for K-12 and standardized test prep with structured mastery approach.
Students preparing for exams, K-12 learners needing structured curriculum support, entire school districts
Interactive STEM learning platform focusing on problem-solving, puzzles, and conceptual understanding through engaging courses.
Advanced STEM learners, problem-solving enthusiasts, self-motivated learners seeking deeper conceptual mastery
Khan Academy excels for structured, comprehensive exam preparation and accessibility across all levels with free video-based lessons, while Brilliant specializes in interactive, problem-solving-focused learning for math and science enthusiasts. Choose Khan Academy for broad curriculum coverage and exam prep; choose Brilliant for engaging, conceptual understanding through interactive puzzles.
Both platforms serve distinct educational needs in 2026. Khan Academy is the superior choice for comprehensive curriculum coverage, standardized test preparation, and institutional district adoption, with its free model and expanding Illustrative Mathematics courses. Brilliant excels for learners seeking deeper conceptual understanding through interactive problem-solving in STEM fields. Choose Khan Academy if you need exam prep or broad subject coverage; choose Brilliant if you want engaging, puzzle-based mastery of advanced math and science concepts.
Choose Khan Academy if
| Metric | Khan Academy | Brilliant | Diff |
|---|---|---|---|
| Free Core Content(percent) | 100% of core lessons free | Limited free access, premium required | +400% |
| Subject Coverage Breadth(subjects) | All K-12 subjects plus standardized test prep | Math, physics, computer science, scientific thinking | +200% |
| Interactivity Score(score/10) | Video + practice exercises |
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Students preparing for exams, K-12 learners needing structured curriculum support, entire school districts
Choose Brilliant if
Advanced STEM learners, problem-solving enthusiasts, self-motivated learners seeking deeper conceptual mastery
| Interactive puzzles and real-time feedback |
| -33% |
| Standardized Test Prep Coverage(exams) | SAT, ACT, AP, state assessments | Minimal exam-focused content | +2400% |
| Video Lesson Availability(count) | Thousands of instructional videos | Video content minimal, puzzle-focused | +4900% |
| Accessibility for Beginners(score/10) | Excellent scaffolding from basics | Better for intermediate+ learners | +50% |
| Gamification Level(score/10) | Basic progress tracking and badges | Advanced gamification with challenge levels | -56% |
| Advanced Learner Engagement(score/10) | College-prep and AP levels available | Advanced problem-solving focus | -11% |
| Premium Subscription Cost(USD/year) | Optional premium features | Required for full access | -53% |
| Mobile App Quality(rating/5) | Full-featured iOS and Android apps | Web-first, limited mobile optimization | +18% |
| Illustrative Math Curriculum Integration(grade levels) | Grades 6-8 and Algebra 1 updated by summer 2026 | No formal IM alignment | — |
All figures sourced from publicly available data. Last updated Apr 2026.
Khan Academy
Video-based mastery learning with structured progressions
Brilliant
Interactive problem-solving and puzzle-based learning
Khan Academy
Comprehensive K-12 and standardized test prep🏆
Brilliant
Math, physics, computer science, and scientific thinking focused
Khan Academy
Moderate with practice exercises after videos
Brilliant
High with interactive puzzles and real-time feedback🏆
Khan Academy
Free with optional premium features🏆
Brilliant
Free with premium subscription required for full access
Khan Academy
Excellent SAT, ACT, AP, and standardized test prep🏆
Brilliant
Limited exam-focused content
Khan Academy
Students of all ages, from elementary to college prep
Brilliant
Advanced learners and STEM enthusiasts
Khan Academy
Full district platform rollout in 2026-27 school year🏆
Brilliant
Individual and small group focus
Khan Academy
Sequential video lessons with assessments
Brilliant
Gamified learning with progressive challenge levels🏆
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Khan Academy is significantly better for standardized test prep, with dedicated SAT, ACT, and AP exam preparation courses created in partnership with test makers. Brilliant has minimal exam-focused content and is better suited for conceptual learning.
Dive deeper with these curated resources
| Attribute | Khan Academy | Brilliant |
|---|---|---|
| Free Core Content(percent) | 100% of core lessons free | Limited free access, premium required |
| Premium Subscription Cost(USD/year) | Optional premium features | Required for full access |
| Subject Coverage Breadth(subjects) | All K-12 subjects plus standardized test prep | Math, physics, computer science, scientific thinking |
| Interactivity Score(score/10) | Video + practice exercises | Interactive puzzles and real-time feedback |
| Standardized Test Prep Coverage(exams) | SAT, ACT, AP, state assessments | Minimal exam-focused content |
| District Platform Readiness(year) | Full rollout in 2026-27 school year | Individual-focused, limited district integration |
| Video Lesson Availability(count) | Thousands of instructional videos | Video content minimal, puzzle-focused |
| Accessibility for Beginners(score/10) | Excellent scaffolding from basics | Better for intermediate+ learners |
| Gamification Level(score/10) | Basic progress tracking and badges | Advanced gamification with challenge levels |
| Advanced Learner Engagement(score/10) | College-prep and AP levels available | Advanced problem-solving focus |
| Mobile App Quality(rating/5) | Full-featured iOS and Android apps | Web-first, limited mobile optimization |
| Illustrative Math Curriculum Integration(grade levels) | Grades 6-8 and Algebra 1 updated by summer 2026 | No formal IM alignment |
Side-by-side comparison of numeric attributes
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