Brilliant vs Synthesis Tutor

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

AI comparison summary

TL;DR: Brilliant offers comprehensive STEM education (math, coding, science, data analysis) for teens and adults with a problem-solving approach built around building deep intuition, while Synthesis Tutor focuses exclusively on elementary math (K-5) for children ages 5-11 with specialized support for neurodiverse learners. Choose Brilliant for broader subject coverage and older learners, or Synthesis Tutor if you need age-appropriate, multisensory math instruction specifically designed for young children. Both use adaptive AI tutoring, but Synthesis emphasizes real-time micro-assessments and is particularly effective for kids with ADHD, dyslexia, or ASD.

Brilliant
Brilliant

Your personal AI tutor for math, coding, and science — built by experts from MIT and Harvard.

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Synthesis Tutor
Synthesis Tutor

Your child's personal AI math tutor — warm, patient, and adaptive for ages 5–11.

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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)