A public works department compares monthly Copilot licenses with pay-as-you-go for a short municipal AI pilot. What should the comparison emphasize?

A public-works comparison of monthly Copilot licenses versus pay-as-you-go for a short municipal AI pilot should emphasize that monthly licenses suit ongoing assigned users, while pay-as-you-go can fit shorter or metered pilot usage, including applicable SharePoint scenarios. Steady named staff who use Copilot every month often fit subscription seats; bursty or time-boxed pilots may fit metered billing better so the department does not buy year-round seats for a brief trial. Claiming that pay-as-you-go suits ongoing assigned users while monthly licenses fit shorter metered pilot usage reverses the fit, because steady assigned use fits monthly seats while bursty short pilots fit metered billing. Pay-as-you-go is metered by usage for pilot activity rather than metered through SharePoint storage quotas for content libraries, and storage quotas do not measure Copilot pilot usage. Monthly licenses are assigned to individual licensed users for ongoing use, and pay-as-you-go still applies to metered pilot usage for eligible individual use rather than pooled allowances for shared department accounts across pilot shifts. Those distractors fail by reversing the billing fit for ongoing versus short pilot use, metering pilot usage through SharePoint storage quotas, or assigning pay-as-you-go to shared department accounts with pooled allowances. Exam caveat: AB-900 expects conceptual billing fit: ongoing assigned users → monthly; short/metered pilots (including applicable SharePoint scenarios) → consider pay-as-you-go. Exact SKUs and regional offers can vary—exam items test the usage-pattern rationale, not a claim that pay-as-you-go suits ongoing assigned users while monthly licenses fit shorter metered pilot usage. Operational check: Size the pilot cohort and duration, estimate prompt/usage volume for pay-as-you-go versus seat cost for monthly licenses, include applicable SharePoint-related metered scenarios in the estimate, set a spending cap and owner for the pilot, and decide whether successful pilot users later convert to monthly seats for steady public-works crews.