Learn to code free with hands-on lessons and instant playgrounds
Brilliant records 2,426,610 monthly visits with -11.9% month-over-month growth and Freemium pricing. Codebay.ai records 212 monthly visits with -92.1% growth and Free pricing.
Learn Python on your phone with a personal AI tutor
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | brilliant.org | codebay.ai |
| Pricing Model | Freemium | Free |
| Monthly Visits | 2.43M (2,426,610) | 212 (212) |
| MoM Traffic Delta | -326.35K (-11.9%) | -2.46K (-92.1%) |
| Primary Market & Share | 🇺🇸 United States (41.9%) | 🌐 Global (—) |
| Direct Visits / mo | 1.2M | 61 |
| User Rating | 4.6 | 4.1 |
| Supported Platforms | Website | Website |

Interactive math, coding and AI tutoring you learn by doing
Learn math, science, CS and AI through short, visual exercises that build intuition step by step rather than passive video watching.
A visual, interactive tutor that works on a shared canvas, asks guiding questions and gives hints without simply revealing the answer.
Quizzes and reviews adapt to your level, tracking what you have mastered and resurfacing topics that still need work.
Write and run real code to learn programming logic, algorithms, data structures and debugging skills relevant to the AI era.
Learn Python on your phone with a personal AI tutor
A built-in assistant that answers coding questions and provides instant, personalized hints whenever a learner gets stuck.
Bite-sized interactive lectures presented as friendly conversations, each built around a relatable scenario.
Every new concept is followed by a tailored coding exercise so learners practise immediately.
Study on a phone or computer, making short sessions possible during commutes or breaks.
Learn to code free with hands-on lessons and instant playgrounds

SpecialistYour personal AI tutor for every subject, from notes to exam day.

Interactive courses for data science, AI and analytics skills

AI-powered A Level and GCSE courses with a top-grades-or-refund guarantee
SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.
SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.

Learn a new language by talking to lifelike AI tutors
Learn a new language by talking to lifelike AI tutors

Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.
Excels at step-by-step homework solving and AI tutoring, but provides less structured visual concept-building courses.

AI-powered adaptive math and coding practice for kids aged 4–14

Offers Socratic AI tutoring and problem guidance, but lacks Brilliant's signature interactive visual math and science puzzles.
Offers Socratic AI tutoring and problem guidance, but lacks Brilliant's signature interactive visual math and science puzzles.

SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.
SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.
Your personal AI tutor — generate a course on anything in seconds
Your personal AI tutor — generate a course on anything in seconds

SpecialistPowerful AI math solver and calculator for instant homework answers, but lacks interactive conceptual learning modules.