Brilliant

Brilliant

Subscription-based interactive math and CS learning

Overview

Brilliant.org is an online education platform that helps people build quantitative and technical skills in math, data science, and computer science. It focuses on learning by doing through guided, bite-sized, interactive lessons that provide real-time feedback and simple explanations instead of relying on video lectures. The platform is subscription-based, granting access to a library of courses and challenges that adapt to different skill levels for students, professionals, and lifelong learners. The main way Brilliant works is by presenting problems and guided steps, letting users practice and immediately see feedback to reinforce concepts. Compared with typical online learning sites, Brilliant differentiates itself with its emphasis on interactive problem-solving and instant feedback rather than passive video content. The company’s goal is to create a world of better problem solvers by delivering a delightful guided discovery experience.

About Brilliant

Simplify's Rating
Why Brilliant is rated
C
Rated C on Competitive Edge
Rated B on Growth Potential
Rated D+ on Differentiation

Industries

Consumer Software

Education

Company Size

51-200

Company Stage

Series C

Total Funding

$73M

Headquarters

San Francisco, California

Founded

2012

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Simplify's Take

What believers are saying

  • Brilliant ranked No. 1,847 on the 2026 Inc. 5000 with 188% growth.
  • The company still claims 12 million users, signaling durable consumer reach.
  • Hellosaurus integration expands kid-friendly interactive content and broadens retention opportunities.

What critics are saying

  • OpenAI's August 2026 education plugins attack Brilliant's guided tutoring wedge directly.
  • Khan Academy and Khanmigo stay free, compressing Brilliant's subscription pricing power.
  • If Brilliant loses habit engagement, it becomes a niche puzzle app, not a platform.

What makes Brilliant unique

  • Brilliant's 2026 site still centers visual, interactive, problem-first STEM lessons.
  • Its MIT and Harvard branding supports premium positioning versus video-first rivals.
  • Hellosaurus gives Brilliant interactive mobile video tooling beyond math and coding.

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Funding

Total Funding

$73M

Below

Industry Average

Funded Over

3 Rounds

Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Meet Average

Industry standards

$50M
$50M
Medium
$50M
Brilliant
$62M
SeatGeek
$100M
Oura

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Parental Leave

Unlimited Paid Time Off

Home Office Stipend

Professional Development Budget

Meal Benefits

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

1%
Bristol Post
Mar 21st, 2024
Bristol named top 'core city' for recycling for eighth year in a row

Brilliant Bristolians have done it again, in partnership with Bristol Waste Company

Goodto
Sep 29th, 2023
We tested the BeSafe iZi Turn B i-Size car seat and love it for this reason

Brilliant for babies, the BeSafe iZi Turn B i-Size car seat is suitable rear-facing up to age four

PR Newswire
Aug 2nd, 2023
Brilliant Acquires Leading Interactive Video Platform Hellosaurus

/PRNewswire-PRWeb/ -- Interactive learning pioneer Brilliant Worldwide, Inc. ("Brilliant") is pleased to announce its acquisition of All Together Labs, Inc....

PR Newswire
Dec 6th, 2022
Brilliant Acquires Leading Interactive Video Platform Hellosaurus

Interactive learning pioneer Brilliant Worldwide, Inc. (“Brilliant”) is pleased to announce its acquisition of All Together Labs, Inc. (“Hellosaurus”), an award-winning interactive video learning platform. This acquisition will further Brilliant’s mission of accelerating the world to active learning, and delivering best-in-class interactive experiences to its over 12 million users. Based in New York, Hellosaurus is a software and entertainment company that distributes interactive programming for kids from leading children’s creators like The Wiggles, Kids Diana, Mother Goose Club and Laurie Berkner via an iOS and Android application (the “Hellosaurus App”). The technology that underlies the Hellosaurus App, including Hellosaurus’s proprietary no-code video editor and mobile tech infrastructure, enables the development and scaled distribution of interactive video on any mobile platform. Hellosaurus has been called "Mister Rogers for the iPhone Generation" by Forbes and a "World Changing Idea" by Fast Company, and has been featured as "App of the Day" and a "Must-Have Kids App" by the Apple App Store, at one point ranking as high as the #3 App For Kids in the App Store. Hellosaurus has also won multiple Kidscreen Awards, including being named Best Kids-Only Streaming Service at Kidscreen 2022

TechCrunch
Oct 26th, 2022
Duolingo’S Owl Will Now Shout Fractions At You

Duolingo is launching its math app to the public,. and months after a beta version joined the app store

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