This Microsoft-backed AI startup just collapsed… why?

AI coding startups are everywhere—but when the product promise outpaces reality (or integrity), the fallout can be fast. This video breaks down why Builder.ai, a Microsoft- and SoftBank-backed startup once valued at $1.5 billion, collapsed back to $0—and what that signals for “vibe coding” platforms. Key takeaways Walks through Builder.ai’s pitch with Builder Studio: “make you software” without technical expertise, and why that promise was “hard to keep in reality.” Explains the role of human labor behind the scenes, with programmers reportedly fixing AI-generated output. Covers allegations of fraud, including an alleged round‑trip billing scheme and invoicing for work not done to inflate revenue. Connects the collapse to broader debates on whether AI is a bubble—and what’s realistic about current model progress.