Learnidex vs Brilliant · Interactive STEM learning app
Learnidex vs Brilliant
Any subject, graded and sourced — not just STEM puzzles.
Brilliant is a polished, interactive app for learning math, science, and CS through hand-crafted lessons. Learnidex generates an interactive course on any subject from your own sources — with grading, a concept map, and a tutor you can question.
| Feature | Learnidex | Brilliant |
|---|---|---|
| Subjects covered | Anything you can state as a goal | Math, science, CS, data |
| Course from your own sources | AI-generated from your goal + your sources | Not available |
| AI tutor on your own materials | Cites your own materials, click-back sources | Not available |
| Grading & GPA | Rubric feedback, letter grades & GPA | Not available |
| Interactive lessons | Simulations, drag-drop, branching, flashcards | Hand-crafted interactive lessons |
| Certificate | Shareable certificate of completion | Not available |
| Open source & self-hostable | Yes — open-source & self-hostable, BYOK | Not available |
| Starting price | Free plan, then $20/mo | Subscription only |
Why learners choose Learnidex over Brilliant
Not limited to STEM — generate an interactive course on any subject.
Grounded in your own materials, with a tutor that cites them.
Rubric grading, a GPA, and a certificate — real assessment, not just practice.
Open-source, self-hostable, and a free plan to start.
Learnidex vs Brilliant: FAQ
Is Learnidex like Brilliant for non-STEM subjects?+
Yes. Brilliant focuses on math, science, and CS; Learnidex generates interactive courses — with simulations, drag-and-drop, branching scenarios, and flashcards — for any subject you name.
Does Learnidex have interactive lessons?+
Yes — checkpoint quizzes, flashcards, drag-and-drop, branching scenarios, data visualizations, and parameter-based simulations, alongside readings and a source-citing tutor.
Do I need my own AI API key to use Learnidex?+
No. On the hosted plans everything — course generation, grading, the tutor, and search — runs on our platform. Self-hosters can bring their own key (Anthropic, OpenAI, OpenRouter, or a local Ollama model).
How much does Learnidex cost?+
There's a free plan (one AI-generated course a month). Student is $20/mo (10 courses) and Pro is $35/mo (25 courses). Enrolling in a marketplace course others built is always free.
Interactive learning, on any subject.
Generate a graded, source-cited course — free to start.