Vibe Coding playbook/Module 9 · Vibe coding at work

Day 89 / 100 · Vibe coding at work

Know what it really costs.

Day 8 was costs for one person. At work, costs multiply across people, keys and tools, and nobody notices until the invoice arrives.

Seats

Per Person

Plans for each person using agents.

API usage

Per Key

Apps and chatbots calling AI APIs.

Hosting

Per Tool

Every tool on the register costs something.

People time

Per Month

Review and maintenance hours.

Four habits

A spend limit and alert on every API key.

Smaller, cheaper models for simple tasks.

Fresh sessions, not endless ones (Day 30).

One named owner reviews the bill monthly.

Every key has a limit and an owner.