Vibe coding vs. spec-driven – I got the bill

There is that moment at the beginning of a new feature where everything is still open. No legacy code, no constraints, no unexpected dependencies. Just you, an empty directory and an AI tool that promises to deliver results in minutes. In moments like that, vibe coding is incredibly tempting. Just start. Prompt in, code out, next prompt. No planning, no specifying, no thinking about architecture. Just do it. I did that. I paid for it. What vibe coding really means The term "vibe coding" – coined