I spent $5,000 on API tokens — here's what I built with AI
$5,000 in AI Credits: A System Inventory In one month, spending roughly $5,000 on AI subscriptions and APIs (Claude Pro + Claude API + OpenAI API + Copilot Pro+ + Codex + Paseo + miscellaneous), I built out 18 major systems independently, with a total codebase of roughly 50,000+ lines of code (excluding auto-generated AI scripts). For comparison: the same functionality, developed from scratch by 2 full-stack engineers, would conservatively take 6-12 months and cost at least ¥300,000-600,000. ...