The FinOps Foundation renamed its flagship event after AI tokens. The atomic unit of cost changed, and the tooling finance teams built to meter the last one cannot see the new one.
Azure OpenAI and OpenAI now bill prompt cache writes at 1.25x input on GPT-5.6. Here is the break-even math and the workloads the change quietly taxes.
The FinOps Foundation's June 2026 token framework lists four AI unit metrics. None is cost per token. Why cost per outcome is the number that survives agents.
Model prices drop every 6 to 9 months and a single routing or compression change can cut a line item 85% to 99%. Here is why AI cost forecasting breaks the cloud playbook, and what to forecast...
DoIT's 2026 survey of 500 finance leaders reveals that mature FinOps teams overspend on AI by 31%, nearly double the rate of early-stage peers. Unit economics tracking is the standout fix.
Gartner projected 30% of AI projects would be abandoned after proof of concept. The actual number is worse. A stage-gated kill criteria framework for AI investments.