Atlantis vs CAST AI Comparison
Atlantis
Starting at Free free
- Small Business
- Mid-Market
Atlantis is an open-source Terraform pull request automation tool that runs Terraform plan and apply operations from GitHub, GitLab, and Bitbucket pull requests. When a PR is opened touching Terraform files, Atlantis aut…
CAST AI
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Medium Business
CAST AI is a Kubernetes cost optimization platform for DevOps and cloud infrastructure teams running containerized workloads on AWS, GCP, or Azure. It automatically rightsizes nodes, manages spot instance fallback, and s…
CAST AI leads on user satisfaction with a 5.0-star rating across 5 reviews.
Atlantis vs CAST AI — at a glance
| Feature | Atlantis | CAST AI |
|---|---|---|
| Rating | 4.5 / 5 | 5.0 / 5 |
| Reviews | 290 | 5 |
| Starting price | Free free | Contact for pricing |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Small Business, Mid-Market, Enterprise | Large Enterprises, Medium Business, Small Business |
| Category | Cloud Management Platform | Cloud Management Platform |
| Platforms | On-Premise, Linux, Cloud | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | GitHub Issues, Community Slack, Documentation | Online |
| Certifications | — | SOC 2, GDPR |
| Data residency | — | Global |
Key differences between Atlantis and CAST AI
- Pricing: Atlantis starts at Free free. CAST AI pricing is not publicly listed.
- Free trial: CAST AI offers a free trial; Atlantis does not.
- Target audience: Atlantis is built for Small Business and Mid-Market, while CAST AI targets Large Enterprises and Medium Business.
- User satisfaction: CAST AI scores higher with a 5.0-star average.
- Deployment: Atlantis supports On-Premise, Linux, Cloud; CAST AI supports SaaS/Web/Cloud.
Atlantis 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
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Atlantis vs CAST AI: Biggest differences
Start here before you go deeper into features.
Small Business, Mid-Market, Enterprise
Large Enterprises, Medium Business, Small Business
Atlantis typically suits Small Business and Mid-Market. 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 | Atlantis is an open-source Terraform pull request automation tool that runs Terraform plan and apply operations from GitHub, GitLab, and Bitbucket pull requests. When a PR is opened ... Read More about Atlantis | CAST AI is a Kubernetes cost optimization platform for DevOps and cloud infrastructure teams running containerized workloads on AWS, GCP, or Azure. It automatically rightsizes nodes, ... Read More about CAST AI |
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Entry Level Pricing |
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Free Trial Availability |
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SpotScoreWhat's this? ↗ | 9.0/10 | 8.1/10 |
User RatingsBased on verified Spotsaas reviews | ||
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- Terraform Review in the Code Review: Plan output in PR comments means reviewers see infrastructure changes alongside code changes — keeping IaC review in the existing GitHub workflow.
- Zero State Corruption: Workspace locking serializes applies — only one apply runs per workspace at a time, preventing the concurrent-apply state corruption that plagues team Terraform.
- Audit Trail in Git: Every plan and apply is tied to a PR, commit, and GitHub user — complete audit history of who changed what infrastructure and when.
No key benefits available yet.
Best fit
- DevOps teams implementing Terraform PR workflows without the operational overhead of Terraform Cloud or managed platforms
- Engineering teams preventing concurrent Terraform state corruption through workspace locking in multi-engineer environments
- Platform teams providing developers self-service infrastructure deployment via PR-comment-driven apply without giving direct Terraform access
No best-fit guidance available yet.
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 Atlantis and CAST AI Compare on Features?
Total Features | 3 Features | 7 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Atlantis 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.
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Pricing Page | Pricing information not available |  |
Atlantis vs CAST AI: 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 |
Atlantis vs CAST AI Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
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GDPR | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | — | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | — | 🌐 Global |
Atlantis User Reviews & Rating Comparison
User Ratings | 4.5 (based on 290 reviews) | |
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is very strong across 290 reviews, with consistently positive feedback. 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 |
Top Alternatives to Atlantis and CAST AI in 2026
Alternatives | No Alternative products available. |
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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, Atlantis or CAST AI?
- CAST AI edges out the other on user ratings (5.0 vs 4.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Atlantis and CAST AI offer a free trial?
- CAST AI offers a free trial. Atlantis does not.
- What is the starting price of Atlantis vs CAST AI?
- Atlantis starts at Free free. CAST AI starts at Contact for pricing.
- 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.