Definition
Feature-level
Measure cost where the product is actually used
Key Metric
Per workflow
Complex workflows drive variable cost fast
Why it matters
Margin
Aggregate cloud bills hide profitability
Cost per feature
See which product surfaces consume the most AI spend
Core metric
Cost per workflow
Capture multi-step agents, tools, retries, and retrieval
Core metric
Cost per customer interaction
Tie usage back to customer behavior and product experience
Core metric
Margin by segment
Understand whether growth is compounding value or burn
Risk if hidden
Traditional SaaS view
Build once, serve cheaply
Incomplete for AI
Provider dashboard view
Token and model usage only
Useful, not enough
SpendLens view
Usage mapped to product economics
Business-ready