Comparison

Atlantis vs AWS CloudFormation

No clear leader: Atlantis (53.2) and AWS CloudFormation (52.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Atlantis53
AWS CloudFormation53
Score
vioscaleAI score
Atlantis53 / 100low · 42%
AWS CloudFormation53 / 100medium · 73%
Pricing
Free tier
Atlantis✓
AWS CloudFormation✓
Model
Atlantisopen_source
AWS CloudFormationfree
Price level
Atlantisfree
AWS CloudFormationfree
Transparent
Atlantis–
AWS CloudFormation✗
Integrations
Count
Atlantis3
AWS CloudFormation9
Security
Disclosure policy
Atlantis–
AWS CloudFormation✓
Fedramp
Atlantis–
AWS CloudFormation✓
Gdpr
Atlantis–
AWS CloudFormation✓
Hipaa
Atlantis–
AWS CloudFormation✓
Pci
Atlantis–
AWS CloudFormation✓
Scorecard
Atlantis7
AWS CloudFormation–
Trust center
Atlantis–
Reliability
Status page
Atlantis–
AWS CloudFormation✓
Adoption
Dependent repos
Atlantis2
AWS CloudFormation–
Github stars
Atlantis9,321
AWS CloudFormation–
Activity
Commits last 30d
Atlantis45
AWS CloudFormation–
Release
Cadence days
Atlantis29
AWS CloudFormation–
History
Atlantis20 items
AWS CloudFormation–
License
Spdx
AtlantisApache-2.0
AWS CloudFormation–
Language
Primary
AtlantisGo
AWS CloudFormation–
Market
Availability
AWS CloudFormationAvailable worldwide
Content
Faq
Atlantis6 items
AWS CloudFormation7 items

Capabilities

Feature-by-feature on the axes that matter for infrastructure as code tools. “-” means undocumented, not absent.

Core
Paradigm
AtlantisDeclarative DSL
AWS CloudFormationDeclarative DSL
Language
AtlantisHCL
AWS CloudFormationJSON, YAML, TypeScript, Python, Java, .NET
Portability
Multicloud / cloud-agnostic
Atlantis✓
AWS CloudFormation✗
Architecture
State management
AtlantisVendor-managed
AWS CloudFormationVendor-managed
Extensibility
Pluggable provider ecosystem
Atlantis✓
AWS CloudFormation✓
Governance
Policy as code
Atlantis✓
AWS CloudFormation✓
Ops
Drift detection
Atlantis✓
AWS CloudFormation✓
GitOps continuous reconciliation
Atlantis✓
AWS CloudFormation✓
Deployment
Managed SaaS offering
Atlantis✗
AWS CloudFormation✓
Hosting
AtlantisSelf-hosted only
AWS CloudFormationCloud only
Adoption
Import existing resources
Atlantis✓
AWS CloudFormation✓
Licensing
Open-source engine
Atlantis✓
AWS CloudFormation✓
Ecosystem
CNCF maturity
Atlantis-
AWS CloudFormation-

What each one is

The product in its own terms, so the numbers below have context.

Atlantis

A self-hosted application that automates Terraform workflows through pull request integration, enabling team collaboration on infrastructure changes.

Independently observed

AWS CloudFormation

A service for defining and deploying AWS cloud infrastructure using declarative code templates, enabling automated provisioning, updates, and management of resources at scale across multiple accounts and regions.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Atlantis

Open sourceFree tier
as of verify ↗

AWS CloudFormation

from $0.00/moUsage-basedFree tier

Usage-based: $0.0009/handler operation + $0.00008/sec overage. 1,000 free operations/month. Data transfer at AWS rates.

  • Third-party Resources & Custom Hooks$0.0009/handler operation after 1,000 free ops/month
    • Unlimited AWS::* and Alexa::* resource operations (no handler charges)
    • Third-party resource provisioning
    • Custom hook support
    • Handler operation billing after free tier
    • Duration overage billing
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Atlantis✓
AWS CloudFormation✓
CLI
Atlantis✗
AWS CloudFormation✓
Deployment
Cloud / SaaS
Atlantis✗
AWS CloudFormation✓
Self-hosted
Atlantis✓
AWS CloudFormation✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Atlantis

10 total
  • GitHub
  • GitLab
  • Bitbucket
  • Azure DevOps
  • Terraform
  • Terraform Cloud/Enterprise
  • Slack
  • Terraform Cloud
  • OpenTofu
  • Open Policy Agent
Independently observed

AWS CloudFormation

23 total
  • MongoDB
  • Datadog
  • Atlassian Opsgenie
  • JFrog
  • Trend Micro
  • Splunk
  • Aqua Security
  • FireEye
  • Sysdig
  • Snyk
  • Check Point
  • Spot by NetApp
  • Gremlin
  • Stackery
  • Iridium
  • AWS CDK
  • AWS SAM (Serverless Application Model)
  • Visual Studio
  • Kiro
  • AWS CloudFormation Registry
  • AWS Partner Network (APN)
  • Serverless Application Model (SAM)
  • Git repositories
Independently observed
Still deciding?

Atlantis or AWS CloudFormation: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.