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Build Lab / Authors / Alex Liu
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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.

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4
articles
2026
writing since
Areas of expertise
Product experimentsFounder decisionsRelease judgmentEvidence review

Latest by Alex

04 · The Lab
Public benchmarks can shortlist a model. Your product eval has to decide
Aug 17, 2026 · 19 min
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04 · The Lab
A model name is not a product version
Aug 7, 2026 · 18 min
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04 · The Lab
OpenRouter Classifiers can label AI spend. First prove the labels
Jul 25, 2026 · 18 min
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04 · The Lab
When AI generates the whole page, test the whole page
Jul 20, 2026 · 18 min
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