Amazon EKS Optimizer – a platform to analyze and reduce AWS costs
Optimize EKS costs with pod rightsizing, Karpenter vs. Auto Mode, Spot Instances, Graviton, and Compute Savings Plans.
Amazon EKS Optimizer – a platform to analyze and reduce AWS costs launched on May 4, 2021 with 9 votes, #1,362 of 3,505 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.
What it does
EKS cost optimization means cutting EKS Kubernetes spend across nodes, pods, and purchasing without hurting reliability, using rightsizing, smart node provisioning, spot, and commitments. On EKS, clusters average about 5% GPU utilization, so the headroom is large. EKS cost optimization is the process of reducing the cost of running Kubernetes workloads on Amazon Elastic Kubernetes Service (EKS) while meeting performance and availability requirements. It involves matching pod resources and node capacity to actual demand, choosing cost-effective EC2 instances and purchasing options, and eliminating unused capacity and avoidable cluster fees. EKS cost optimization is more urgent in 2026 than…from cast.ai
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