Is Vibe Code Really a Vibe? What Went Wrong at Amazon

Between December 2025 and March 2026, Amazon experienced four major outages, attributed to a rapid increase in AI-assisted coding, which notably sped up code production but left insufficient human oversight to verify its accuracy. The outages, classified as Severity 1 incidents, caused significant disruptions, including a six-hour platform shutdown on March 5, resulting in the loss of millions of orders. The term "vibe coding," which involves using AI to quickly generate code with minimal human intervention, became a central part of Amazon's strategy, although it led to a surge in technical bugs and security vulnerabilities. Despite Amazon's public statements downplaying AI's role in these issues, the company has since mandated senior engineers to manually review all AI-generated code. This situation has highlighted the critical need for evolving testing systems to match AI's pace, with industry leaders like Google and Microsoft facing similar challenges. The incidents underscore the necessity for robust oversight and testing frameworks in the era of AI-driven code generation, as emphasized by experts who warn that without proper checks, such failures may become more prevalent.