can i fork it?

Head-to-Head Comparison · Alternative to Brilliant · 🎓 education

Brilliant vs Oppia

Authors branching interactive explorations that respond to wrong answers instead of merely displaying the solution. Here is how Oppia ($0/mo open source) stacks up against Brilliant ($30/mo) across cost, hosting, data privacy, and real-world trade-offs.

Open-Source Alternative

Oppia

$0.00/mo · Apache-2.0

Brilliant vs Oppia Specification Matrix

facts verified 2026-08-11

DimensionBrilliant (Paid)Oppia (Replacement)
Monthly Price$30 / mo$0 / mo
1-Year Cost (1 seat)$360 / yr$0 / yr (Save $360)
1-Year Cost (5 seats)$1,800 / yr$0 / yr (Save $1,800)
1-Year Cost (10 seats)$3,600 / yr$0 / yr (Save $3,600)
Source & LicenseProprietary SaaSopen source Apache-2.0
Where It RunsVendor CloudLocal or hosted (your machine or their cloud)
PlatformsWeb / Cloud
webself-hostedthey host it
GitHub Stars—★ 6.8k (active aug 2026)

Deep Dive: Switching from Brilliant to Oppia

Trade-offs, installation & data architecture

The Catch vs Brilliant

What you trade away

Creating responsive branches is manual, and the result does not match Brilliant's broad authored catalog or production-quality interactive visuals.

Installation

How to deploy Oppia

Use Oppia.org directly, or deploy the Python and Angular application on a Google App Engine-style stack

Day-2 Operations & Setup

What it takes to run

None on Oppia.org; self-hosting is a developer-grade Google App Engine deployment

Data Ownership

Where your data lives

Explorations, skills, stories, questions and learner progress live in Oppia's hosted Google Cloud Datastore and Storage, or the equivalent self-hosted deployment

Build vs Fork Verdict: NOT REALLY (use a free alternative, save the tokens)

Why fork Oppia instead of vibe-coding a Brilliant clone?

A consolation build is possible, but the paid product's decisive value sits outside a solo rebuild. For Brilliant, build interactive practice around user-authored math and science lessons. The hard boundary is expert curriculum, interactive problem library, pedagogy, apps, and content rights, plus content, pedagogy, and network.

Brilliant vs Oppia FAQ

Is Oppia a good free alternative to Brilliant?+

Yes. Oppia is a verified open-source (Apache-2.0) replacement for Brilliant. Authors branching interactive explorations that respond to wrong answers instead of merely displaying the solution.

What is the catch when switching from Brilliant to Oppia?+

Creating responsive branches is manual, and the result does not match Brilliant's broad authored catalog or production-quality interactive visuals.

How much do you save switching from Brilliant to Oppia?+

Brilliant costs $30/mo ($360/yr) per seat, whereas Oppia is $0/mo. Switching saves $360/yr for a solo user, $1,800/yr for a 5-person team, and $3,600/yr for a 10-person team.

How do I install or self-host Oppia instead of Brilliant?+

Install: Use Oppia.org directly, or deploy the Python and Angular application on a Google App Engine-style stack. Setup: None on Oppia.org; self-hosting is a developer-grade Google App Engine deployment

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