Comparison

Atlantis vs AWS CloudFormation

On the evidence we track, AWS CloudFormation leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Atlantis full profile →AWS CloudFormation full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

Atlantis55

★AWS CloudFormation60

Attribute comparison across 2 tools
Attribute	Atlantis	AWS CloudFormationLeader
Vioscale score	55 / 100low · 41%	60 / 100medium · 73%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	7	21
Security
Disclosure policysecurity.disclosure_policy	-	✓
Fedrampsecurity.fedramp	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Pcisecurity.pci	-	✓
Scorecardsecurity.scorecard	7.4	-
Vulnerabilitiessecurity.vulnerabilities	Count: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Frunatlantis%2Fatlantis&per_page=100 · Last 12m: 2 · Max severity: HIGH	-
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	2	-
Github starsadoption.github_stars	9,254	-
Activity
Commits last 30dactivity.commits_last_30d	40	-
Release
Cadence daysrelease.cadence_days	31	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Go	-
Market
Availabilitymarket.availability	Available worldwide	Available worldwide · HQ US

Score

Vioscale score

Atlantis55 / 100low · 41%

AWS CloudFormation60 / 100medium · 73%

Pricing

Free tier

Atlantis✓

AWS CloudFormation✓

Model

Atlantisopen_source

AWS CloudFormationfreemium

Price level

Atlantisfree

AWS CloudFormationlow

Transparent

Atlantis–

AWS CloudFormation✓

Integrations

Count

Atlantis7

AWS CloudFormation21

Security

Disclosure policy

Atlantis–

AWS CloudFormation✓

Fedramp

Atlantis–

AWS CloudFormation✓

Gdpr

Atlantis–

AWS CloudFormation✓

Hipaa

Atlantis–

AWS CloudFormation✓

Pci

Atlantis–

AWS CloudFormation✓

Scorecard

Atlantis7.4

AWS CloudFormation–

Vulnerabilities

AtlantisCount: 4 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Frunatlantis%2Fatlantis&per_page=100 · Last 12m: 2 · Max severity: HIGH

AWS CloudFormation–

Reliability

Status page

Atlantis–

AWS CloudFormation✓

Adoption

Dependent repos

Atlantis2

AWS CloudFormation–

Github stars

Atlantis9,254

AWS CloudFormation–

Activity

Commits last 30d

Atlantis40

AWS CloudFormation–

Release

Cadence days

Atlantis31

AWS CloudFormation–

History

Atlantis20 items

AWS CloudFormation–

License

Spdx

AtlantisApache-2.0

AWS CloudFormation–

Language

Primary

AtlantisGo

AWS CloudFormation–

Market

Availability

AtlantisAvailable worldwide

AWS CloudFormationAvailable worldwide · HQ US

Capabilities

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

Capability comparison for Infrastructure as Code Tools
Capability	Atlantis	AWS CloudFormation
Core
Paradigm	Declarative DSL	Declarative DSL
Language	HCL	JSON, YAML, TypeScript, Python, Java, .NET
Portability
Multicloud / cloud-agnostic	✓	✗
Architecture
State management	-	Vendor-managed
Extensibility
Pluggable provider ecosystem	✓	✓
Governance
Policy as code	✓	✓
Ops
Drift detection	✓	✓
GitOps continuous reconciliation	✓	✓
Deployment
Managed SaaS offering	✗	✓
Hosting	Self-hosted only	Cloud only
Adoption
Import existing resources	-	✓
Licensing
Open-source engine	✓	✗
Ecosystem
CNCF maturity	-	-

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

Atlantis-

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 system that orchestrates Terraform deployments via pull request workflows, providing safety checks, approval gates, and comprehensive audit logging for infrastructure changes across multiple Git platforms.

Independently observed

AWS CloudFormation

Leader

A managed service for provisioning and managing AWS and third-party cloud resources through declarative templates (JSON/YAML) or programmatic languages. Automates infrastructure deployment across regions and accounts, detects configuration drift, and provides automatic rollback on errors.

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 2026-08-13verify ↗

AWS CloudFormation

Leader

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 2026-08-14verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Atlantis	AWS CloudFormation
WebPlatforms	✓	✓
CLIPlatforms	✗	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

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

7 total

GitHub
GitLab
Bitbucket
Azure DevOps
Terraform
Terraform Cloud/Enterprise
Slack

Independently observed

AWS CloudFormation

Leader

21 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)

Independently observed

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