This comparison is quite simple: Only Pump.co is 100% FREE.
No percentage fees. No subscriptions. No credit cards. Only savings.
Cloud Savings
Free forever plan
No fees, no invoices, no credit cards, no "percentage off the top" …It truly is 100% free
Free tier covers unlimited K8s cost monitoring; automated rightsizing and autoscaling require a paid plan.
Commitment planner
Pump optimizes commitments for your ever-evolving cloud requirements. Faster than AWS, CE, & CUR
Not offered; Cast AI consumes RIs/CUDs a customer already purchased but does not buy or sell them.
Idle instance detection
Quickly identify & shut down idle instances
Evictor removes empty or underutilized nodes once workloads are consolidated.
Autopilot continuous monitoring
Around the clock analysis of your cloud usage
Autoscaler and workload rightsizer act continuously without manual review once configured.
Rightsizing
Match instance size to real usage patterns
Adjusts CPU and memory requests at the millicore level, including in-place pod resizing.
Automatic budget alerts
Get notified before you overspend via Slack and Email
Webhook and Slack-style integrations notify teams of cost and cluster events; scoped to Kubernetes spend.
Modernization recommendations
Suggests newer & cheaper instances to meet the same requirements
Not documented as a standalone feature; ARM/Graviton selection occurs only inside bin-packing logic.
Kubernetes auto-scaling
Rightsize pods & workloads automatically
Replaces the native cluster autoscaler with a bin-packing-aware node and pod autoscaler.
Zero lock-in period
Zero days lock-in period for ultimate flexibility
Standard paid Order Forms carry a 1-year initial term with automatic annual renewal.
Cloud Visibility
100% virtual tagging coverage
Auto-tag every untagged resource across your accounts, even retroactively
Supports filtering and grouping by Kubernetes labels and namespaces.
Single-lens global overview
One dashboard for every cloud, account, & region — no more toggling consoles
Overview is scoped to connected Kubernetes clusters, not a full multi-cloud account view.
Customizable reports
Build the exact view you need with drag-and-drop dimensions, filters, & grouping
Cluster, workload, namespace, and Allocation Group reports are available; not a fully custom builder.
Kubernetes deployment reports
See cost per deployment, namespace, & pod
Detailed cluster, workload, and namespace cost reports refresh every 60 seconds.
CFO level financial forecasting
Board-ready spend forecasts you can deliver with confidence
Limited to end-of-month cluster bill prediction; not org-wide multi-cloud forecasting.
Top movers alerts
Whose spend on which instances is changing the most?
Not documented as a named feature on cost monitoring pages.
Multi-channel notifications
Receive notifications in the way you're most likely to actually see them
Webhook integrations support routing to tools like Slack via configured integrations.
Annotations & teams tagging
Associate people & notations to cloud instances for greater insights
Allocation Groups let teams tag and group workloads by namespace or label for cost allocation.
DeepScan technology
Identify deep inefficiencies like NAT traffic, policy misconfigurations, phantom capacity, & more
Not offered; Pump-specific waste-finding feature has no Cast AI equivalent.
Multi-cloud support
Pump supports AWS, Google Cloud, Azure, Oracle, & more
Covers AWS, Azure, GCP, and OCI, but only for Kubernetes clusters, not general multi-cloud account spend.
Cloud Security
Overcommitment insurance
Pump actually underwrites your RI's & SP's. You CANNOT lose money by working with Pump!
Not offered; no savings-guarantee or overcommitment insurance product.
Team and product permissions
RBAC to define who is allowed spend what, where
Role-based access control with Owner, Member, Analyst, and Viewer roles.
Automatic budget alerts
Get notified before you overspend via Slack and Email
Webhook and Slack-style integrations notify teams of cost and cluster events; scoped to Kubernetes spend.
Multi-channel alerts
Receive notifications in the way you're most likely to actually see them
Webhook integrations support routing to tools like Slack via configured integrations.
3 dedicated support staff
2 dedicated technical account managers, plus a dedicated solutions architect
Priority and dedicated onboarding support are included on Growth PRO and Enterprise tiers.
Bank, med-tech, fin-tech compliance
Pump.co is SOC 2, HIPAA, ISO 27001, GDPR, AWS Well-Architected, Gov Cloud compliant, & more
SOC 2 Type II and ISO 27001 certified, per Cast AI's own documentation.
