Brilliant
Your Personal Tutor for Math and Coding
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Koji by Brilliant - A world-class personal tutor for every home

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This isn’t just a feature launch, it’s an evolution of our entire product experience. Brilliant is now a superintelligent tutor designed to work like the best human tutors. It asks the right questions, sketches right on your screen, and adapts to how you learn best.

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Maker
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Hi Product Hunt! We’re so excited to share something we’ve been building toward for a long time. One-on-one tutoring has always been the gold standard of learning. Everyone knows it. The problem is that a great tutor costs hundreds of dollars an hour, is hard to schedule, and is out of reach for most families. With this launch, we’re changing that. Koji is Brilliant’s new superintelligent tutor for math and coding. This is not a chatbot. It’s not a multiple-choice question generator. It’s something that we think is totally magical. Here’s why: • Koji can point, sketch, and annotate directly on your screen as you work through problems together • Koji's coaching adapts continuously to your level — breaking down hard problems into steps when you’re stuck, scaling up the challenge when you’re ready • You can talk to Koji naturally by voice or text, in any language This is the tutor we always wanted. And it's layered on top of our full interactive curriculum, covering grade 5 through college and beyond. We’d love to hear what you think. Take Koji for a spin and let us know!

the sketching directly on your screen while you work through problems is what makes this feel different from every other AI tutor out there. most of them just dump text explanations and hope you figure it out. having something that actually points at the part you're stuck on and walks you through it visually is so much closer to how a real tutor works. also the voice in any language part is huge for accessibility. curious how it handles the moment where someone is clearly frustrated and keeps getting the same thing wrong... does it switch approach or just repeat the same explanation slower

Maker

 Yes! Making it so Koji can point to and draw on problems directly is core to what makes the tutor so effective. Koji can add points to a graph or ask questions about different parts of a problem, like "Which of these operations is the next step?" Our goal is to help the learner get "unstuck" just enough so they can solve the problem on their own. Koji also will try a different tack if the learner isn't getting it one way. This is one advantage of an AI tutor over a human – infinite patience! :)