Builder.ai hit a $1.5B valuation—then collapsed into insolvency. In this first long-form interview after the downfall, founder Sachin Dev Duggal joins Mahmoud Khodor to go beyond the headlines.We unpack what Builder.ai was actually building (feature “Lego blocks,” an end-to-end SDLC redesign, and the “Natasha” AI product manager), what was genuinely automated vs. human-led, and why the viral “700 engineers” narrative doesn’t match his account. Sachin also addresses the toughest questions: alleged AI-washing, revenue recognition shifts, reseller performance, lender actions, board dynamics, and what happened in the final weeks before insolvency.If you care about startups, venture-backed scale-ups, AI product truth vs. hype, and how companies break under pressure—this is the full story, with nuance.Keywords: Builder.ai, Sachin Dev Duggal, Builder AI insolvency, startup collapse, AI washing, fraud allegations, revenue recognition, venture capital, SaaS, software development automation, Natasha AI product manager, no-code vs low-code, SDLC, code generation, expert network.Chapters 0:00 Insolvency announcement: finding out via email/Bloomberg0:33 What this interview covers (beyond “fraud” headlines) + disclaimer1:17 Origin story: from photo-sharing idea to “software as features”3:31 The big insight: most apps share the same core features5:18 How Builder.ai redesigned the SDLC (feature as the atomic unit)8:36 Automation vs humans: what AI did, what people still had to do12:29 “Natasha” explained: AI PM, scoping, specs, storyboards18:30 Codegen reality: what worked, what stayed “lab-only”21:13 “700 engineers” narrative + “human-assisted AI” positioning25:49 What drove the biggest cost/time reduction (Lego + AI + run engine)32:17 Why Builder.ai didn’t fit neatly into no-code, agencies, or vibe coding41:58 What changed in 2023–2025: media narratives, board/leadership tension54:12 Inflated sales & revenue recognition: how the numbers shifted1:10:07 Lending $300K to make payroll + the pre-pack plan shock1:17:01 “What’s next?” The new thesis: a neurosymbolic “Second Brain”