Brilliant vs Synthesis Tutor

Side-by-side comparison of Brilliant and Synthesis Tutor: pricing, features, API access, and community ratings.

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	Brilliant Your personal AI tutor for math, coding, and science — built by experts from MIT and Harvard. Visit	Synthesis Tutor Your child's personal AI math tutor — warm, patient, and adaptive for ages 5–11. Visit
Category	Education & learning	Education & learning
Pricing	Freemium	Freemium
Starting price		USD 25/mo
Free tier
Audience	All audiences	Non-technical
API available
Open source
Self-hostable
Model provider		Proprietary
Founded	2012	2014
Headquarters	San Francisco, USA	United States
Key strengths	·AI-powered personal tutor (Koji) that adapts to each learner's pace and gaps ·Visual, interactive problem-solving approach that builds genuine intuition ·Curriculum crafted by experts from MIT, Harvard, Stanford, Cornell, and Caltech ·Broad STEM coverage: math, coding, science, and data analysis	·Adaptive 1-on-1 personalized math tutoring ·Multisensory, gamified learning experience ·Real-time micro-assessments for continuous progress tracking ·Highly effective for neurodiverse learners (ADHD, dyslexia, ASD)