Cast AI

Cast AI is an automation platform that continuously optimizes Kubernetes clusters for cost and performance. It rightsizes workloads by adjusting CPU, memory, requests, limits, and replica counts based on how a workload actually behaves, rather than what was originally requested. On the infrastructure side, it automates compute provisioning, improves bin packing across nodes, and predicts spot instance interruptions up to 30 minutes in advance so workloads can be migrated before they are terminated. The platform is built for platform engineers, SRE teams, DevOps engineers, and FinOps professionals running Kubernetes at scale across AWS EKS, Google GKE, Azure AKS, Oracle Cloud, on-premises, or OpenShift. It also includes GPU optimization features such as GPU sharing and cross-cloud GPU access, along with self-healing operations that use automated runbooks with approval workflows to remediate cluster issues. Cast AI integrates with common Kubernetes-adjacent tooling including Terraform, Prometheus, Grafana, Jira, Helm, Karpenter, OpenTelemetry, Rancher, and VMware Tanzu. The company states it is used by more than 2,100 companies. Pricing is tiered with a free trial available, though exact tier pricing is not published on the homepage, so buyers evaluating cost savings will need to go through a sales or trial process to get concrete numbers.