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Tracing AI spend across product teams
Shared vendor accounts are convenient until an auditor asks which squad authorised last month’s fine-tune surge. Tracing AI development spend across teams starts with naming owners before you open another dashboard.
Begin with the invoice, not the model card
Pull the consolidated bill and mark every line that maps to tokens, reserved capacity, or evaluation jobs. Then ask each product lead to claim lines with a project code. Unclaimed lines become your first sample for financial auditing — they often reveal shadow experiments running under a neighbour’s key.
Use a weekly digest, not a war room
Teams that succeed with AI development budget controls send a short weekly digest: top three cost movers, open tickets without owners, and any threshold breaches. The digest is boring on purpose. Boring is auditable.
When tags are missing
If cloud tags are incomplete, do not pretend sampling will save you. Schedule a tagging sprint, then resume the audit trail. Our AI Spend Audit Fundamentals course covers this sequencing in module four.