OpenStack vs CAST AI Comparison
OpenStack
Starting at Contact for pricing
- Large Enterprises
- Medium Business
OpenStack's modular, code-driven architecture is designed for massive scalability with thousands of compute nodes; a robust, API-driven feature set that enables the creation, sharing, and management of public and private…
CAST AI
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
CAST AI is an all-in-one Kubernetes cost optimization and automation platform that achieves over 60% average compute cost savings without months of onboarding. You get lightning-fast autoscaling, downscaling, spot VM sup…
CAST AI leads on user satisfaction with a 4.5-star rating across 5 reviews.
OpenStack vs CAST AI — at a glance
| Feature | OpenStack | CAST AI |
|---|---|---|
| Rating | 4.1 / 5 | 4.5 / 5 |
| Reviews | 96 | 5 |
| Starting price | Contact for pricing | Contact for pricing |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Cloud Management Platform | Cloud Management Platform |
| Platforms | SaaS/Web/Cloud | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | Online | Online |
| Certifications | — | SOC 2, GDPR |
| Data residency | Global | Global |
Key differences between OpenStack and CAST AI
- Free trial: CAST AI offers a free trial; OpenStack does not.
- User satisfaction: CAST AI scores higher with a 4.5-star average.
- Deployment: OpenStack supports SaaS/Web/Cloud; CAST AI supports SaaS/Web/Cloud.
OpenStack vs CAST AI — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Cloud Management Platform tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Biggest differences
Start here before you go deeper into features.
Best for highly customizable, large-scale private cloud infrastructure management.
- You need a scalable, modular platform supporting thousands of compute nodes.
- Your team consists of experienced cloud engineers or DevOps professionals.
- You require deep API-driven customization and control over cloud services.
- You are a small business without dedicated cloud infrastructure expertise.
- You want a simple, out-of-the-box cloud solution with minimal setup.
Large Enterprises, Medium Business, Small Business
OpenStack typically suits Large Enterprises and Medium Business. CAST AI tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | OpenStack's modular, code-driven architecture is designed for massive scalability with thousands of compute nodes; a robust, API-driven feature set that enables the creation, sharing, and ... Read More about OpenStack | CAST AI is an all-in-one Kubernetes cost optimization and automation platform that achieves over 60% average compute cost savings without months of onboarding. You get lightning-fast ... Read More about CAST AI |
|---|---|---|
Free Trial Availability |
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Spotsaas ScoreWhat's this? ↗ | 9.2/10 | 8.1/10 |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | 51-500 employees500+ employees | — |
Get pricing help | Get pricing help |
Software Demo
Demo |  CAST AI has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
|---|
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How do OpenStack and CAST AI Compare on Features?
Total Features | 12 Features | 7 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare OpenStack and CAST AI on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
|---|---|---|
Pricing Page | Pricing information not available |  |
Other Details
Organization Types supported |
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|---|---|---|
Platforms Supported |
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Modes of support |
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API Support |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
|---|---|---|
GDPR | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | — | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | 🌐 Global | 🌐 Global |
OpenStack User Reviews & Rating Comparison
User Ratings | ||
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users value OpenStack's customization and scalability but often struggle with its complexity and documentation shortcomings. What buyers like
Common complaints
| Buyer sentiment Buyer sentiment is very strong across 5 reviews, with consistently positive feedback. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Award Solutions  Inspur | No Customers information available. |
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Media and Screenshots
Videos |  2 Videos | No videos available. |
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Top Alternatives to OpenStack and CAST AI in 2026
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, OpenStack or CAST AI?
- CAST AI edges out the other on user ratings (4.5 vs 4.1). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do OpenStack and CAST AI offer a free trial?
- CAST AI offers a free trial. OpenStack does not.
- What is the starting price of OpenStack vs CAST AI?
- OpenStack starts at Contact for pricing. CAST AI starts at Contact for pricing.
- What are the top alternatives to OpenStack?
- Top alternatives to OpenStack include Microsoft Azure, Flexera Cloud Management Platform, Apache CloudStack, nOps, StackBill.
- What are the top alternatives to CAST AI?
- Top alternatives to CAST AI include nOps, IBM Cloud Pak for Watson AIOps, Klouds.io, Kubecost, Cube Cloud.