Built on Y Build The experts behind Build Lab build on Y Build — try it free. Start free →
BuildShipCompareThe LabAbout
English
Start building →
Build Lab / Authors / Alex Liu
Y
Lead Editor, YBuild Blog

Alex Liu

An editorial pen name used by Y Build for founder decisions, product experiments, and evidence-bounded Build Lab notes.

Builds on Y Build →
2
articles
2026
writing since
Areas of expertise
Product experimentsFounder decisionsRelease judgmentEvidence review

Latest by Alex

04 · The Lab
OpenRouter Classifiers can label AI spend. First prove the labels
Jul 25, 2026 · 18 min
Read →
04 · The Lab
When AI generates the whole page, test the whole page
Jul 20, 2026 · 18 min
Read →
The expert uses it
Alex builds every experiment on Y Build

Same tooling, your account. Prompt to a deployed app on your own domain.

Start free →
Build like {name}
Free · no card
Start free →