From the team, weekly.
Product updates, engineering notes, and short essays. Small and honest, published in the open.
2026
- Nov 4, 2026The first year
What we learned, what we shipped, what we regret.
Founding team · Company · 8 min - Oct 19, 2026On model updates
When we upgrade Claude, and when we don't.
Engineering · Engineering · 5 min - Oct 2, 2026Brain score 3.0: subject breakdown
Your Brain score now decomposes by subject.
Product team · Product · 4 min - Sep 18, 2026Series A
We raised. Here's what changes and what doesn't.
Founding team · Company · 5 min - Sep 4, 2026We started a changelog
Small, weekly, honest.
Product team · Product · 2 min - Aug 27, 2026In defense of being boring
The design principles we work under.
Design · Notes · 4 min - Aug 18, 2026Second institution pilot
Coastal State begins a two-semester pilot with 120 first-year students.
Community team · Company · 4 min - Aug 5, 2026We hired
Two new engineers and a designer.
Founding team · Company · 3 min - Jul 24, 2026Study group beta
Solve the same problem. Compare reasoning. Never compare answers.
Product team · Product · 5 min - Jul 6, 2026Voice attempts are live
Speak your reasoning aloud. The tutor treats it as an attempt.
Product team · Product · 4 min - Jun 18, 2026Publishing the brand book
Type, color, voice, and why.
Design · Notes · 3 min - Jun 2, 2026Spring roadmap
What we're building this quarter.
Product team · Product · 4 min - May 17, 2026On refusing
A short essay on the discipline of saying no.
Founding team · Notes · 4 min - Apr 30, 2026Our first institution pilot
Northgate University is piloting Brainback with 40 first-year engineering students.
Community team · Company · 5 min - Apr 8, 2026Streaming replies
The tutor now streams. Same rules, same guard.
Engineering · Engineering · 5 min - Mar 19, 2026Designing the parent dashboard
The hardest privacy decisions we've made.
Design · Product · 6 min - Mar 5, 2026Brain score 2.0
A refined formula, and a new share card.
Product team · Product · 5 min - Feb 11, 2026Shipping image attempts
You can now snap a photo of your work and submit it as your attempt.
Product team · Product · 4 min - Jan 24, 2026The metrics we watch
A small list of numbers that mean a lot.
Product team · Product · 5 min - Jan 8, 2026Why Fraunces
A brief note on the typeface that carries the brand.
Design · Notes · 3 min
2025
- Dec 20, 2025The first thousand users
What we learned in the first month.
Community team · Community · 6 min - Dec 1, 2025V1 is shipped
What made it. What didn't. What ships next.
Product team · Product · 5 min - Nov 4, 2025Hello, world.
Brainback is live. Here's why we built it, and what happens next.
The Brainback team · Company · 4 min
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