Teams often ask which cloud is cheaper. It is the wrong question. For most growing businesses, the difference between a reasonable bill and a runaway one is architecture and operational discipline — not the provider's list price.
Commitment models reward planning
Both AWS and Azure offer meaningful discounts for committed usage. The savings are real, but they reward accurate forecasting. Commit to what you understand; stay on-demand for what is still volatile.
Managed services trade money for time
Managed databases, queues, and Kubernetes control planes cost more per unit but remove operational load. For a small team, that trade is often worth it. For a larger team with expertise, self-managing can be cheaper. Decide deliberately.
Data transfer is the quiet line item
Egress and cross-zone traffic surprise almost everyone. Architect data locality early — keep chatty components close, and be intentional about what crosses boundaries.
The real answer
Pick the platform your team can operate well, then invest in tagging, right-sizing, and review cadence. A well-run environment on either cloud beats a neglected one on the "cheaper" provider.