Working notes for the people who build, run and pay for software. Clear methods, useful checklists and a source for every provider-specific claim.
Cloud & AI cost guides / 01—03Find why AWS cost totals differ. Check billing periods, account scope, credits, cost basis and data freshness before trusting a savings recommendation.
Read the guideBuild an AI cost review that separates provider billing from token estimates, assigns project ownership and measures cost per successful outcome.
Read the guideBuild a cost allocation policy across cloud and AI providers. Define owners, shared costs, unallocated spend and a monthly showback review.
Read the guideWe publish practical methods and link to provider documentation for technical facts. Examples and formulas describe a method, not customer results. Product capabilities are identified separately. No savings percentage is guaranteed.