How Much Does It Cost to Run a SaaS Per Month?
Understand recurring infrastructure costs for a small, growing and larger SaaS.
Reviewed for 2026 • Technology pricing and capabilities can change.
The recurring cost categories
Hosting, database, email, storage, observability, authentication, payments and AI can all contribute to monthly operating costs. Some are fixed subscriptions while others scale with usage.
Payment processing is usually tied to revenue rather than infrastructure, so model it separately.
Generate my stackExample planning ranges
A small MVP may operate on relatively modest infrastructure if usage is low and managed free or low-cost tiers fit. A growing SaaS can see database, bandwidth, email and observability costs rise with activity.
Do not treat example ranges as quotes. Use your own usage after launch.