Comparison

Atlantis vs Spacelift

On the evidence we track, Atlantis leads this comparison with a composite score of 53/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Atlantis53
Spacelift47
Score
vioscaleAI score
Atlantis53 / 100low · 42%
Spacelift47 / 100medium · 74%
Pricing
Free tier
Atlantis✓
Spacelift✓
Model
Atlantisopen_source
Spaceliftfreemium
Price level
Atlantisfree
Spacelifthigh
Starting price
Atlantis–
Spacelift$20,000
Transparent
Atlantis–
Spacelift✗
Integrations
Count
Atlantis3
Spacelift22
Security
Certifications
Atlantis–
Disclosure policy
Atlantis–
Spacelift✓
Fedramp
Atlantis–
Spacelift✓
Scorecard
Atlantis7
Spacelift–
Soc2
Atlantis–
Spacelift✓
Trust center
Atlantis–
Reliability
Status page
Atlantis–
Spacelift✓
Adoption
Dependent repos
Atlantis2
Spacelift–
Github stars
Atlantis9,321
Spacelift–
Activity
Commits last 30d
Atlantis45
Spacelift–
Release
Cadence days
Atlantis29
Spacelift–
History
Atlantis20 items
Spacelift–
License
Spdx
AtlantisApache-2.0
Spacelift–
Language
Primary
AtlantisGo
Spacelift–
Content
Faq
Atlantis6 items
Spacelift7 items

Capabilities

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

Core
Paradigm
AtlantisDeclarative DSL
SpaceliftDeclarative DSL
Language
AtlantisHCL
SpaceliftTerraform HCL, Kubernetes YAML, CloudFormation JSON, Pulumi Python, Ansible
Portability
Multicloud / cloud-agnostic
Atlantis✓
Spacelift✓
Architecture
State management
AtlantisVendor-managed
SpaceliftVendor-managed
Extensibility
Pluggable provider ecosystem
Atlantis✓
Spacelift✓
Governance
Policy as code
Atlantis✓
Spacelift✓
Ops
Drift detection
Atlantis✓
Spacelift✓
GitOps continuous reconciliation
Atlantis✓
Spacelift✓
Deployment
Managed SaaS offering
Atlantis✗
Spacelift✓
Hosting
AtlantisSelf-hosted only
SpaceliftCloud + self-hosted
Adoption
Import existing resources
Atlantis✓
Spacelift✓
Licensing
Open-source engine
Atlantis✓
Spacelift✗
Ecosystem
CNCF maturity
Atlantis-
Spacelift-

What each one is

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

Atlantis

Leader

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

Independently observed

Spacelift

Spacelift is an orchestration platform for managing infrastructure-as-code workflows. It supports multiple IaC tools including Terraform, CloudFormation, Pulumi, and Kubernetes, with policy enforcement, drift detection, and multiple deployment models ranging from cloud-hosted SaaS to on-premises installations.

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

Leader
Open sourceFree tier
as of verify ↗

Spacelift

from $20000/yrSubscriptionFree tier

Free tier available. Starter+ from $20,000/year. Higher tiers available by quote.

  • FreeFree
    • IaC support
    • VCS integration
    • Resource visualization
    • 1 public worker
  • Starter+$20,000/year, includes 2 public workers and 1-2 private workers
    • IaC support
    • Workflow customization
    • VCS integration
    • Resource visualization
    • Cloud cost estimation
    • +4 more
  • BusinessContact sales
    • All Starter+ features
    • Private provider registry
    • Targeted replans
    • Dedicated Slack support channel
    • Dedicated Customer Success Manager
    • +1 more
  • EnterpriseContact sales
    • All Business features
    • Audit trail
    • SSO integration with SAML 2.0
    • OIDC API Keys
    • Internal source control system
    • +2 more
  • Enterprise+Contact sales
    • All Enterprise features
    • MFA
    • Self-hosted option
    • FedRAMP authorization
    • On-premises/air-gapped environments
    • +1 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Atlantis✓
Spacelift✓
CLI
Atlantis✗
Spacelift✓
Deployment
Cloud / SaaS
Atlantis✗
Spacelift✓
Self-hosted
Atlantis✓
Spacelift✓
On-premise
Atlantis✗
Spacelift✓
Hybrid
Atlantis✗
Spacelift✓
Air-gapped
Atlantis✗
Spacelift✓

Integrations

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

In common (7)
  • GitHub
  • GitLab
  • Bitbucket
  • Azure DevOps
  • Terraform
  • Slack
  • OpenTofu

Atlantis

Leader
10 total - 3 not shared
  • Terraform Cloud/Enterprise
  • Terraform Cloud
  • Open Policy Agent
Independently observed

Spacelift

26 total - 19 not shared
  • CloudFormation
  • Pulumi
  • Kubernetes
  • Ansible
  • AWS
  • Azure
  • Google Cloud
  • Infracost
  • Checkov
  • Wiz
  • OPA
  • ServiceNow
  • Terragrunt
  • AWS CDK
  • Serverless Framework
  • Bitbucket Cloud
  • Bitbucket Datacenter
  • Microsoft Teams
  • Datadog
Independently observed
Still deciding?

Atlantis or Spacelift: 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.