Alex (@alexinbinary) / X

We built the first AI QA Engineer. We just deployed the best tool on the market when it comes to reducing slop and pushing quality. And it doesn’t even come close. Now in research-preview for growing startups.

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Replying to @immasiddx

who put copilot there 😭

Banger event @newsystems_ @a16z

New portfolio website. alexungureanu.com

Introducing ReviewBench by @polarityco A new standard in evaluating code review agents based on issue detection in production codebases Open source evals framework will be available soon

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Why does every good idea already exist

Who in SF wants donuts delivered to their office

Was able to scale our infra, no more waitlist! Try Paragon today: polarity.cc/paragon

Alex

@alexinbinary

Nov 4, 2025

We built the first AI QA Engineer. We just deployed the best tool on the market when it comes to reducing slop and pushing quality. And it doesn’t even come close. Now in research-preview for growing startups.

00:00