CAST AI vs Datto SIRIS Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

CAST AI

0.0 (0 reviews)

CAST AI is an automated cloud optimization platform that reduces your Kubernetes costs by monitoring clusters and automatically rightsizing resources across AWS, Google Cloud, and Microsoft Azure environments.

Starting at Free
Free Trial 0 days
VS

Datto SIRIS

0.0 (0 reviews)

Datto SIRIS is a comprehensive business continuity and disaster recovery solution providing automated backups, instant cloud virtualization, and ransomware detection to ensure your critical business data remains accessible and secure.

Starting at --
Free Trial NO FREE TRIAL

Quick Comparison

Feature CAST AI Datto SIRIS
Website cast.ai datto.com
Pricing Model Freemium Custom
Starting Price Free Custom Pricing
FREE Trial ✓ 0 days free trial ✘ No free trial
Free Plan ✓ Has free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas saas on-premise cloud
Integrations AWS Microsoft Azure Google Cloud Platform Terraform Slack Jira Grafana Prometheus Datadog ArgoCD Autotask PSA ConnectWise Manage Kaseya VSA Microsoft Azure VMware vSphere Microsoft Hyper-V BrightGauge IT Glue
Target Users mid-market enterprise small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2019 2007
Headquarters Miami, USA Norwalk, USA

Overview

C

CAST AI

CAST AI is an automated platform designed to slash your cloud bill without manual intervention. It connects to your Kubernetes clusters and continuously analyzes your workload requirements, automatically selecting the most cost-effective compute instances in real-time. You can stop overprovisioning and start paying only for what you actually use across major providers like AWS, Azure, and GCP.

The platform handles the heavy lifting of infrastructure scaling, spot instance management, and cluster rebalancing. It is built for DevOps teams and platform engineers who need to maintain high performance while keeping cloud expenses under control. You get a clear view of your spending and automated tools to fix inefficiencies instantly, often resulting in savings of over 50% on your monthly cloud compute costs.

strtoupper($product2['name'][0])

Datto SIRIS

Datto SIRIS provides you with a unified business continuity and disaster recovery platform designed to protect physical, virtual, and cloud environments. You can eliminate downtime by booting up servers locally or in the secure Datto Cloud in seconds, ensuring your operations continue even during a total hardware failure. The system automatically verifies every backup with screenshot verification, so you never have to wonder if your data is actually recoverable when a crisis hits.

You can manage your entire fleet of protected devices through a single cloud-based dashboard, making it ideal for managed service providers or IT teams overseeing multiple locations. The platform also includes built-in ransomware detection that alerts you the moment it spots suspicious file patterns, allowing you to roll back to a clean state before the infection spreads. It simplifies complex recovery tasks into a few clicks, giving you peace of mind that your business stays resilient.

Overview

C

CAST AI Features

  • Automated Rightsizing Automatically adjust your pod resource requests based on real-time usage to eliminate waste and improve application performance.
  • Spot Instance Automation Use low-cost spot instances safely with automated fallback to on-demand nodes if capacity becomes unavailable in your region.
  • Cluster Autoscaler Scale your clusters up or down instantly based on actual demand using the most cost-efficient node types available.
  • Cloud Cost Monitoring Track your cloud spending down to the individual microservice, namespace, or deployment level with real-time visibility dashboards.
  • Node Bin Packing Consolidate your workloads onto the fewest possible nodes to maximize resource utilization and reduce your total infrastructure footprint.
  • Security Audit Scan your Kubernetes clusters for common misconfigurations and security vulnerabilities to ensure your optimized environment remains fully protected.
strtoupper($product2['name'][0])

Datto SIRIS Features

  • Instant Virtualization. Boot your protected servers locally or in the cloud in seconds to maintain uptime during hardware failures.
  • Screenshot Verification. Get visual proof that your backups are healthy with automated boot tests that send you confirmation images.
  • Ransomware Detection. Identify potential cyberattacks early with active monitoring that alerts you to suspicious changes in your backup data.
  • Inverse Chain Technology. Eliminate broken backup chains and reduce storage requirements while ensuring every recovery point is independent and fast.
  • Cloud Deletion Defense. Protect your offsite backups from accidental or malicious deletion with a dedicated recycle bin for your cloud data.
  • Rapid Rollback. Restore only the changed data after a disaster to get your systems back to normal without full reformatting.

Pricing Comparison

C

CAST AI Pricing

Free
$0
  • Read-only cost monitoring
  • Savings estimation report
  • Security vulnerability scanning
  • Multi-cloud support
  • Unlimited clusters
D

Datto SIRIS Pricing

Pros & Cons

M

CAST AI

Pros

  • Significant immediate reduction in monthly cloud compute spending
  • Easy setup process that connects quickly to existing clusters
  • Excellent visibility into granular Kubernetes costs and resource waste
  • Reliable spot instance management prevents application downtime

Cons

  • Requires high-level permissions to automate infrastructure changes
  • Learning curve for complex custom scaling policies
  • Pricing can be difficult to predict for high-growth startups
A

Datto SIRIS

Pros

  • Reliable instant virtualization for fast disaster recovery
  • Automated backup verification provides high confidence
  • Centralized management dashboard simplifies multi-site monitoring
  • Excellent technical support for critical recovery situations

Cons

  • Hardware costs can be high for small setups
  • Requires significant bandwidth for large cloud syncs
  • Pricing is only available through third-party partners
×

Please claim profile in order to edit product details and view analytics. Provide your work email @productdomain to receive a verification link.