# What's the difference between IaaS, PaaS, SaaS? Aced (formerly Exponent) publishes a public search API over its indexed pages; the guide is at https://www.aced.io/agents/agent-access. Source: https://www.aced.io/questions/7298/explain-iaas-paas-saas-differences Source observed: 2026-11-04T23:11:15.606Z Last checked: 2026-11-04T23:11:15.606+00:00 Indexed: 2026-11-06T04:30:25.884+00:00 --- # What's the difference between IaaS, PaaS, SaaS? We provide interview preparation through courses, practice, interview experiences, coaching, and community questions. This page is a technical concept question about the differences among IaaS, PaaS, and SaaS. A community answer has not yet been contributed, so the page does not include definitions or a comparison of the three service models. ## Question details - **Category:** Concept; Technical - **Roles:** [Technical Program Manager](https://www.aced.io/questions?role=tpm), [Solutions Architect](https://www.aced.io/questions?role=solutions-architect) - **Companies associated with reported interviews:** [Microsoft](https://www.aced.io/questions?company=microsoft), [Google](https://www.aced.io/questions?company=google) - **Reported last asked:** 3 years ago Detailed company statistics for this question are available through [Upgrade](https://www.aced.io/upgrade?src=questions). ## Interview experiences Two interview experiences are shared for this question: 1. **Microsoft — Technical Program Manager, Entry Level / L3 — 3 years ago** > “It went pretty well. It was entry level. I think i should have asked more clarifying questions throughout” [Read the Microsoft interview experience](https://www.aced.io/experiences/microsoft-technical-program-manager-interview-bf0c74) 2. **Google — Solutions Architect — 3 years ago** > “Long process with multiple rounds. Recruiter was very efficient and helped with expectations for each round.” [Read the Google interview experience](https://www.aced.io/experiences/google-solutions-architect-interview-c301b1) ## Community answers No answers have been contributed by the community yet. 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