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CAST AI

finopsBest for: Engineering teams running Kubernetes wanting automated cost optimization
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CAST AI provides automated Kubernetes cost optimization, replacing manual rightsizing and reserved instance decisions with continuous automated bin-packing and spot instance management. Free tier available; paid plans start at $0.10/hour per cluster. Average customer claims 50-70% Kubernetes cost reduction.

★★★★★4.6G2
20193k+Free plan
Expert Take

CAST AI is worth deploying on any Kubernetes cluster spending over $5K/month where rightsizing hasn't been done rigorously - the payback period is usually weeks. Run in observation mode for two weeks first to validate the recommendations before enabling automation.

· Expert analysis by Oleh Kem, Founder, ComparEdge

Quick Verdict

Highly rated finops software built for Engineering teams running Kubernetes wanting automated cost optimization who need focused workflows.

4.6G2 Rating
Best for: Engineering teams running Kubernetes wanting automated cost optimization From Free

Top Pros

  • Automated Kubernetes optimization — not just recommendations
  • Performance-based pricing aligns incentives
  • 50-60% Kubernetes cost reduction in customer reports

Watch Out For

  • Requires trust in automated infrastructure changes
  • Primarily Kubernetes-focused — limited for non-K8s workloads

Frequently Asked Questions

Yes, CAST AI offers a free plan.
Reviewed by Oleh KemExpert verified·Last updated May 13, 2026·Our methodology