How do their growth rates compare?

Brilliant has a month-over-month growth rate of -11.9%; Ghostwrite has —.

How does pricing compare?

Brilliant: Freemium. Brilliant uses a freemium model: a limited free experience is available, while a Premium subscription unlocks the full course library and unlimited practice. Annual plans are the cheapest per month, and there are separate school/classroom plans. Ghostwrite: Paid. Paid Chrome extension with in-app purchases; the store listing flags optional paid features rather than a free tier. Install is free from the Chrome Web Store, with charges for usage or premium functionality handled inside the extension.

What are alternatives to Brilliant and Ghostwrite?

Other tools in related categories include Coddy, Astra AI, Superhuman, DataCamp, Up Learn.

Head-to-Head Benchmark

Brilliant vs Ghostwrite

Brilliant records 2,426,610 monthly visits with -11.9% month-over-month growth and Freemium pricing. Ghostwrite records 0 monthly visits with — growth and Paid pricing.

BrilliantFreemiumTraffic Leader

Interactive math, coding and AI tutoring you learn by doing

Monthly Visits

2.43M

MoM Velocity

-11.9%

Top Market

🇺🇸 United States

View Brilliant Analysis

brilliant.org

GhostwritePaid

An AI email assistant that writes replies and full messages inside Gmail, Outlook and Zendesk

Monthly Visits

0

MoM Velocity

—

Top Market

🌐 Global

View Ghostwrite Analysis chrome.google.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Brilliant	Ghostwrite
Official Domain	brilliant.org	chrome.google.com
Pricing Model	Freemium	Paid
Monthly Visits	2.43M (2,426,610)	0 (0)

Primary Market & Share	🇺🇸 United States (41.9%)	🌐 Global (—)

Direct Visits / mo	1.2M	0

User Rating	4.6	4

Supported Platforms	Website	Browser Extension

Brilliant

Interactive math, coding and AI tutoring you learn by doing

Interactive problem-based lessons

Learn math, science, CS and AI through short, visual exercises that build intuition step by step rather than passive video watching.

Koji AI tutor

A visual, interactive tutor that works on a shared canvas, asks guiding questions and gives hints without simply revealing the answer.

Adaptive mastery assessments

Quizzes and reviews adapt to your level, tracking what you have mastered and resurfacing topics that still need work.

Coding and CS foundations

Write and run real code to learn programming logic, algorithms, data structures and debugging skills relevant to the AI era.

Strengths & Pros

+Hands-on, visual format makes abstract concepts easier to grasp
+Access to the Koji AI tutor that guides rather than gives away answers
+Accredited and kidSAFE/COPPA certified, suitable for schools and families
+Works across web and mobile with syncing progress

Limitations

Frequently Asked Questions: Brilliant vs Ghostwrite

Brilliant has 2,426,610 monthly visits, while Ghostwrite has 0. Traffic estimates describe audience size, not product quality.

More Head-to-Head Matchups

Astra AI vs Brilliant

9.78M visits/mo

Astra AI vs Ghostwrite

7.36M visits/mo

Brilliant vs Superhuman

8.94M visits/mo

Ghostwrite vs Superhuman

6.51M visits/mo

Best Alternatives to Brilliant & Ghostwrite (12)

–Full course library requires a paid Premium subscription
–Not a replacement for formal instruction or credentials
–Some advanced or niche topics are not covered deeply

Ghostwrite

An AI email assistant that writes replies and full messages inside Gmail, Outlook and Zendesk

Full email generation from a few words

Turn a short phrase or bulleted list into a complete, professional email, including cold outreach, applications and follow-ups.

One-click smart replies

Ghostwrite reads the incoming message and drafts a contextually appropriate full reply in a single click.

Tone and style control

Switch between formal, friendly, concise and persuasive registers so the same content fits different recipients and situations.

Grammar and spelling clean-up

Text is corrected for spelling, grammar and clarity as it is generated, so nothing goes out with obvious mistakes.

Strengths & Pros

+Works directly inside Gmail, Outlook and Zendesk, so there is no new app to learn
+One-click smart replies give the biggest time saving for high-volume inboxes
+Tone presets and built-in proofreading keep the output professional
+Reusable templates make common email scenarios nearly instant

Limitations

–It is a Chrome-only browser extension, so desktop and native mail clients are out of scope
–Being page-injected means it can break when Gmail, Outlook or Zendesk update their interfaces
–Paid add-on with in-app purchases rather than a generous free plan

01

Coddy

7.5M/mo

SpecialistFocuses specifically on interactive programming and coding lessons, whereas Brilliant covers broad STEM and math concepts.

AI CourseFreemium+17.8%

Screenshot of Coddy's interactive coding lesson with in-browser compiler and multiple language playgrounds

#1

02

Astra AI

7.4M/mo

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

AI MathFreemium, Paid+40.3%

Astra AI exam prep dashboard with study plan steps, mastery tracking and mock exam options

#2

03

Superhuman

6.5M/mo

The AI productivity suite with agents, email, and docs that work wherever you do

AI Email AssistantPaid+7.9%

Superhuman Go assistant showing inline suggestions across email and calendar

#3

04

DataCamp

6.2M/mo

SpecialistProvides deep interactive training for data science and programming, but omits foundational math and general science topics.

AI CourseFreemium40% direct

DataCamp interactive coding exercise with an AI tutor helping explain a concept

05

Up Learn

1.3M/mo

SpecialistAI-powered A Level and GCSE courses with a top-grades-or-refund guarantee

AI CourseFree Trial, Paid+49.9%

Screenshot of an Up Learn course lesson with progress tracking and exam-board-specific content

06

LabEx.io

1.1M/mo

SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.

AI ChatbotFreemium44% direct

LabEx.io skill tree page listing Linux and DevOps learning tracks

07

Gauth

619.1K/mo

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

AI Homework HelperFree Trial+180.7%

08

Smartick

361.2K/mo

SpecialistProvides adaptive daily math and logic practice for children, but has less emphasis on advanced visual science lessons.

AI CourseFree Trial, Paid28% direct

Smartick daily session showing an adaptive math exercise for a child

09

Khanmigo

143.2K/mo

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

AI AssistantFreemium, Paid25% direct

Khanmigo interface with a Socratic tutoring conversation alongside teacher lesson-planning options

10

Synthesis Tutor

130.5K/mo

SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.

AI MathFree Trial, Paid63% direct

Synthesis Tutor lesson screen showing a gamified math problem with the adaptive tutor guiding the child

11

TutorAI

108.2K/mo

Generates customized AI courses instantly on any topic, but lacks the polished visual puzzles and curriculum structure of Brilliant.

AI TeachersFreemium+34%

TutorAI course view with AI-generated lessons, quizzes and progress analytics

12

$Mathos AI math solver interface showing a step-by-step calculus solution$

Mathos AI

88.7K/mo

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

AI MathFreemium43% direct

Mathos AI AI Tutor whiteboard correcting a student's algebra step in real time

Visit

Coddy

7.5M/mo+17.8%

SpecialistFocuses specifically on interactive programming and coding lessons, whereas Brilliant covers broad STEM and math concepts.

AI Course42% direct

Freemium

Visit

Astra AI

7.4M/mo+40.3%

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

AI Math32% direct

Freemium, Paid

Visit

Superhuman

6.5M/mo+7.9%

The AI productivity suite with agents, email, and docs that work wherever you do

AI Email Assistant76% direct

Paid

Visit

DataCamp

6.2M/mo

Official

SpecialistProvides deep interactive training for data science and programming, but omits foundational math and general science topics.

AI Course40% direct

Freemium

Visit

Up Learn

1.3M/mo+49.9%

Official

SpecialistAI-powered A Level and GCSE courses with a top-grades-or-refund guarantee

AI Course60% direct

Free Trial, Paid

Visit

LabEx.io

1.1M/mo

SpecialistLearn Linux, DevOps, and cybersecurity by doing — inside real online labs.

AI Chatbot44% direct

Freemium

Visit

Gauth

619.1K/mo+180.7%

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

AI Homework Helper47% direct

Free Trial

Visit

Smartick

361.2K/mo

SpecialistProvides adaptive daily math and logic practice for children, but has less emphasis on advanced visual science lessons.

AI Course28% direct

Free Trial, Paid

Visit

Khanmigo

143.2K/mo

Official

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

AI Assistant25% direct

Freemium, Paid

Visit

Synthesis Tutor

130.5K/mo

SpecialistDelivers gamified adaptive math tutoring for younger learners, whereas Brilliant caters to a broader, more advanced audience.

AI Math63% direct

Free Trial, Paid

Visit

TutorAI

108.2K/mo+34%

Generates customized AI courses instantly on any topic, but lacks the polished visual puzzles and curriculum structure of Brilliant.

AI Teachers24% direct

Freemium

Visit

$Mathos AI math solver interface showing a step-by-step calculus solution$

Mathos AI

88.7K/mo

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

AI Math43% direct

Freemium

Brilliant vs Ghostwrite

Side-by-Side Traffic & Specification Matrix

Brilliant

Strengths & Pros

Limitations

Frequently Asked Questions: Brilliant vs Ghostwrite

How do Brilliant and Ghostwrite compare in monthly traffic?

How do their growth rates compare?

How does pricing compare?

What are alternatives to Brilliant and Ghostwrite?

More Head-to-Head Matchups

Best Alternatives to Brilliant & Ghostwrite (12)

Ghostwrite

Strengths & Pros

Limitations