You know you have become a "Senior Vibe Coder" when you actually stop and think about which AI model to use for a specific task.
Junior vibe coder: Throws the entire codebase at whatever frontier model is trending this week and burns their API budget in 4 hours. Senior vibe coder: "I need Codex 5.3 for rapid scaffolding, Sonnet for the Tailwind components, and I'm s…