We Let 40 Engineers Loose With Coding Agents. The Bill Was Brutal. (opens in new tab)

Your engineering team adopted Claude Code last month. Productivity went up. Then the bill came in. 340% increase. Nobody budgeted for this. Nobody even knew who spent what. The math that kills budgets A single coding agent session makes 50-200 API calls. Claude Sonnet 4 processes 100K+ context windows on every call. One developer running sessions all day burns $50-100. Scale that to 40 engineers and you hit $20K/month in unexpected AI spend. The root cause: raw API keys. No per-developer budg...