Five habits that separate the operator from the vibe-coder

Karpathy coined "vibe coding" in February 2025 for the mode where you accept agent output without reading it carefully. A year later he reframed his own term: fine for throwaway experimentation, a skill-atrophy risk for anything you are supposed to own. The reframing is not a retraction. It is the acknowledgment that the reviewer muscle withers when it is not used, and the withered reviewer is what makes the agent's output undetectably wrong. Five habits separate the operator from the vibe-coder