How it works
Every engine models cost from representative published-list prices — the rates vendors publish, not your negotiated, contracted, or private rates, and not your actual invoice. Figures are scenario estimates to reason with, not a quote or a bill.
Each rate carries a source link and a verified date (see Sources & Freshness). AWS rates are for a single reference region (us-east-1). When a rate is stale, or a resource is not in the verified table, the calculator suppresses the total instead of guessing.
Every lever is gated against the real billable meter. If an optimization doesn't change what you are actually charged — scan reduction under capacity billing, removing required high availability, quantizing a precision-locked workload, shortening retention within a billable tier — it returns $0 or a negative net, and says so. There is no guarantee of any savings; results depend entirely on the assumptions you enter.
The math runs entirely in your browser. Quote-only, private, and contracted prices are not modeled. Always verify against your own invoice and the provider's current pricing before acting.