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Introducing Koji, a personal tutor for every home
AI is making kids dumber.
It should be making them geniuses.
Introducing Koji, the first AI tutor that gets kids to actually think. 👇View quoted post on X
Brilliant.org
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Learn by doing. Math, computer science, and science.
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Ever since we moved our tutor to Wafer, the responses feel near-instant.
We didn’t expect things to get this fast so soon.
Thanks to @gpuemi and the @wafer_ai team! Love using a product built by a founder who grew up on Brilliant :)
We didn’t expect things to get this fast so soon.
Thanks to @gpuemi and the @wafer_ai team! Love using a product built by a founder who grew up on Brilliant :)
i grew up in Mexico, where it wasn’t always easy to find really high-quality educational resources that pushed me intellectually.
i knew pretty early that i wanted to eventually go to one of the best universities i could in the US, and i spent a lot of time trying to get sharper on my own.
@brilliantorg was a very meaningful part of that.
i still remember being in early high school and absolutely spamming their logic courses. i loved them. they genuinely made me better at thinking, especially around math and logic, and helped build a lot of the skills that eventually got me where i wanted to go.
so there is something very surreal about @wafer_ai now serving Brilliant :)
their AI tutor, Koji, needs to respond incredibly quickly while students are working through math and coding problems. before Wafer, Brilliant was speculatively prefetching AI-generated responses so students wouldn’t have to wait.
on our dedicated GLM-5.2 endpoint, they’re now getting ~250ms time to first token and 300+ output tok/s, 3x the throughput of their previous provider!
that let them remove the prefetching layer entirely and cut inference costs by 50%.
it’s hard to describe how gratifying it is to help power a product that helped me become a better thinker when i was a kid.
very full circle moment.
🧵 Brilliant’s full story in thread.View quoted post on X
The weights getting lifted was never the point.
"Using AI as a way to skip the part where you learn is like bringing a robotic arm to the gym to lift weights for you.
We're really losing the plot of why you went to the gym in the first place."
From Sue, co-founder of @brilliantorg:
"We believe technology can and should be making our kids smarter, not dumber. AI today is mostly used by students for cheating."
"So when we built our AI tutor, we wanted to use it to protect the time and effort that the student spends thinking for themselves, just like a great teacher would."
Watch the full episode: youtu.be/NsVayi42I0IView quoted post on X
It sounds trivial, but explaining the answer to the specific problem at hand is miles different from breaking down the process for solving a similar problem.
When you say, “Here’s how you solve this exact problem,” you communicate that the objective is getting that problem answered.
What you want is to perma-install the package that can arrive at the solution, while keeping responsibility for the problem at hand in the learner’s hands.
Even better if you can coach them to get there without spoonfeeding a procedure (even for a similar problem), but that’s not always practical. Much of great tutoring is about weighing that tradeoff, for the specific learner and circumstance.
When you say, “Here’s how you solve this exact problem,” you communicate that the objective is getting that problem answered.
What you want is to perma-install the package that can arrive at the solution, while keeping responsibility for the problem at hand in the learner’s hands.
Even better if you can coach them to get there without spoonfeeding a procedure (even for a similar problem), but that’s not always practical. Much of great tutoring is about weighing that tradeoff, for the specific learner and circumstance.
“Cheating and explaining the answer [to your child] are closer than you’d think.”
Here’s my new episode with @suekhim, co-founder of @brilliantorg, who showed me how AI can help kids think for themselves. We talked about:
→ Why better grades don’t always mean more learning
→ How to help kids enjoy doing hard things vs. only trying to please adults
→ Why her #1 product principle is “Never tell the learner the answer”
Some quotes from Sue:
“Using AI to skip learning is like bringing a robotic arm to the gym to lift weights for you.”
“Learning isn’t about the answer. It is about strengthening that part of you that can concentrate and struggle, that’s unafraid of trying new problems.”
“When building AI products, try to find areas where you have unique data that makes your product better over time.”
📌 Watch the full episode: youtu.be/NsVayi42I0I
Thanks to our sponsors:
@linear: The AI agent platform for modern teams linear.app/behind-the-cra…
@RiversidedotFM: All-in-one AI studio for podcasts and video creators.riverside.com/PeterYangView quoted post on X
A great tutor is expressive!
Thanks to our friends @rive_app for making it possible to break Koji out of the chatbox, and infuse him with joyful dynamic range.
Thanks to our friends @rive_app for making it possible to break Koji out of the chatbox, and infuse him with joyful dynamic range.
Brilliant builds its math and coding tutor Koji with RiveView quoted post on X
