Published Sep 23, 2026
| Starting Price | Variable; depends on instance type and availability zone; AWS publishes regional Spot price information | Variable; vendors and users report substantial discounts versus on‑demand pricing, varying by region | Variable; discounts relative to pay-as-you-go; ranges vary by region |
| Best For | AWS-native workloads needing large scale and integration with ASG/ECS/EKS/Batch/EMR | GCP-native elastic workloads; integrates with GKE for autoscaling fallback | Azure-native elastic workloads; integrates with scale sets for dev/test and batch |
| Key Strength | Integration with AWS compute ecosystem; tools such as Spot Instance Advisor, placement scores, and rebalance recommendations | Documented pricing approach and integration with GKE; clear discount framing in vendor documentation | Portal support for price history and eviction rate lookups; explicit documentation of eviction behavior |
| Key Weakness | Capacity unpredictability; operational burden; advertised maximum discounts may overstate typical savings | Preemption risk and regional variability in discounts | Eviction risk, variable pricing, and no SLA for spot VMs |
AWS Spot vs Google Spot VMs
AWS Spot vs Azure Spot VMs
Third-party automation (Spot by Flexera / formerly Spot.io)