5 Ways Vibe Coding Quietly Burns Through Your API Budget

Vibe coding is incredible until you check your API bill. I spent $47 in a single afternoon last month. Not because I was doing anything crazy. Just normal Claude Code sessions, some Cursor work, a few Copilot suggestions running in the background. Here's where the money actually disappears. 1. Prompt loops you don't see You tweak a prompt slightly and re-run it. The model regenerates the entire response. That's not one request, it's two full token cycles. Do this 10 times while debugging and you've burned through thousands of tokens on what felt like "minor edits." 2. Silent retries When a request fails or times out, most tools automatically retry. You see one response. Your billing page sees three requests. Tool retries are the quietest way to double your spend without noticing. 3. Provider fallback hops Using something that falls back from Claude to GPT when one is busy? That's two providers billing you for the same task. The fallback traffic gets blended into your totals and you can