AWS Billing and Cost Management vs CAST AI

AWS Billing and Cost Management helps organizations handle AWS invoices and review, organize, forecast, and manage cloud costs. The Bills page provides downloadable invoices and detailed monthly billing data. Cost Explorer visualizes costs and usage over time, with filters and groupings such as account and service, and projects future costs from historical and current patterns. AWS Budgets can alert users when spending or usage thresholds are crossed or forecast to be crossed, and track Reservations and Savings Plans utilization and coverage. Cost Anomaly Detection identifies unusual spending and possible causes, with alerts sent individually or in daily or weekly summaries by SNS or email. Cost Categories sorts cost and usage data into customer-defined groupings and can be used with Cost Explorer, AWS Budgets, and the Cost and Usage Report. The service is listed at free, but some features have usage charges. Cost Explorer API requests cost $0.01 per primary billing view request or $0.01 per source for custom billing view requests. Hourly granularity has a 14-day lookback and applies to specified cost and usage data.

CAST AI is an Application Performance Automation platform for cloud-native operations and Kubernetes automation. It automates workload rightsizing, node scaling, GPU and Spot optimization, and issue remediation. Rightsizing adjusts CPU and memory requests, limits, and replicas in response to workload behavior. The platform says its engine can predict Spot interruptions up to 30 minutes ahead and migrate workloads before a slowdown. Agentic runbooks can address operational and security issues, with approval required for each change before it ships.

Teams can connect clusters in read-only mode without infrastructure changes. Listed environments include AWS, Google Cloud, Azure, Oracle Cloud, IBM Cloud, OpenShift, Rancher, VMware Tanzu, AliCloud, kOps, PostgreSQL, MySQL, and on-prem Kubernetes. Cost tools include allocation, spend forecasting, rightsizing guidance, and commitment management. CAST AI integrates with tools including Grafana, Terraform, Prometheus, Jira, and Pulumi. It is available on the web and as self-hosted software. Pricing is custom and available on request; a free trial is available.