Comparison

Atlantis vs Pulumi

On the evidence we track, Pulumi leads this comparison with a composite score of 69/100. 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
★Pulumi69
Score
vioscaleAI score
Atlantis53 / 100low · 42%
Pulumi69 / 100high · 75%
Pricing
Free tier
Atlantis✓
Pulumi✓
Model
Atlantisopen_source
Pulumiquote
Price level
Atlantisfree
Pulumiunknown
Transparent
Atlantis–
Pulumi✓
Integrations
Count
Atlantis3
Pulumi20
Reliability
Status page
Atlantis–
Pulumi✓
Adoption
Dependent repos
Atlantis2
Pulumi2,143
Github stars
Atlantis9,321
Pulumi25,758
Package downloads weekly
Atlantis–
Pulumi1,440,025
Activity
Commits last 30d
Atlantis45
Pulumi100
Release
Cadence days
Atlantis29
Pulumi5
History
Atlantis20 items
Pulumi20 items
License
Spdx
AtlantisApache-2.0
Language
Primary
AtlantisGo
PulumiGo
Content
Faq
Atlantis6 items
Pulumi8 items

Capabilities

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

Core
Paradigm
AtlantisDeclarative DSL
PulumiGeneral language
Language
AtlantisHCL
PulumiTypeScript, Python, Go, C#, Java, YAML
Portability
Multicloud / cloud-agnostic
Atlantis✓
Pulumi✓
Architecture
State management
AtlantisVendor-managed
PulumiVendor-managed
Extensibility
Pluggable provider ecosystem
Atlantis✓
Pulumi✓
Governance
Policy as code
Atlantis✓
Pulumi✓
Ops
Drift detection
Atlantis✓
Pulumi✓
GitOps continuous reconciliation
Atlantis✓
Pulumi✗
Deployment
Managed SaaS offering
Atlantis✗
Pulumi✓
Hosting
AtlantisSelf-hosted only
PulumiCloud only
Adoption
Import existing resources
Atlantis✓
Pulumi✓
Licensing
Open-source engine
Atlantis✓
Pulumi✓
Ecosystem
CNCF maturity
Atlantis-
Pulumi-

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

Pulumi

Leader

An infrastructure-as-code system that lets you define, deploy, and manage cloud resources across multiple providers using Go, Python, TypeScript, JavaScript, Java, .NET, and YAML, with declarative provisioning, policy enforcement, and integrated state management.

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 ↗

Pulumi

Leader
Usage-based

Metered pricing per resource-hour and deployment-minute. Contact sales for bulk discounts on annual commitments over $20,000.

  • Team EditionContact sales
as of verify ↗

Platform & deployment

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

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

Integrations

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

In common (3)
  • GitHub
  • Terraform
  • Slack

Atlantis

10 total - 7 not shared
  • GitLab
  • Bitbucket
  • Azure DevOps
  • Terraform Cloud/Enterprise
  • Terraform Cloud
  • OpenTofu
  • Open Policy Agent
Independently observed

Pulumi

Leader
28 total - 25 not shared
  • AWS
  • Azure
  • Google Cloud
  • CloudFormation
  • Azure Resource Manager
  • Kubernetes
  • Backstage
  • npm
  • PyPI
  • NuGet
  • Helm
  • AWS Secrets Manager
  • Azure Key Vault
  • Vault
  • 1Password
  • Cloudflare
  • MongoDB
  • Snowflake
  • GitHub Actions
  • GitLab Pipelines
  • Jenkins
  • CircleCI
  • Atlassian Bitbucket
  • External Secrets Operator
  • +1 more
Independently observed
Still deciding?

Atlantis or Pulumi: 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.