vioscaleAI
Comparison

OpenTofu vs Spacelift

No leader: the top candidate OpenTofu has only 0.33 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

OpenTofu full profile →Spacelift full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
OpenTofu60
Spacelift47
Score
vioscaleAI score
OpenTofu60 / 100low · 33%
Spacelift47 / 100medium · 74%
Pricing
Free tier
OpenTofu✓
Spacelift✓
Model
OpenTofucommercial
Spaceliftfreemium
Price level
OpenTofufree
Spacelifthigh
Starting price
OpenTofu–
Spacelift$20,000
Transparent
OpenTofu✓
Spacelift✗
Integrations
Count
OpenTofu3,900
Spacelift22
Security
Certifications
OpenTofu–
SpaceliftSOC 2 Type II, FedRAMP
Disclosure policy
OpenTofu–
Spacelift✓
Fedramp
OpenTofu–
Spacelift✓
Gdpr
OpenTofu✓
Spacelift–
Soc2
OpenTofu–
Spacelift✓
Trust center
OpenTofu–
Spacelifthttps://spacelift.io/security
Vulnerabilities
Reliability
Status page
OpenTofu✓
Spacelift✓
Adoption
Dependent repos
OpenTofu0
Spacelift–
Github stars
OpenTofu30,387
Spacelift–
Activity
Commits last 30d
OpenTofu100
Spacelift–
Release
Cadence days
OpenTofu4
Spacelift–
History
OpenTofu20 items
Spacelift–
License
Spdx
OpenTofuMPL-2.0
Spacelift–
Language
Primary
OpenTofuGo
Spacelift–
Market
Availability
Content
Faq
OpenTofu7 items
Spacelift7 items

Capabilities

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

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

What each one is

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

OpenTofu

An open-source platform for declaratively defining and managing cloud infrastructure through configuration language, supporting multi-cloud deployments with built-in state management and execution planning.

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.

OpenTofu

Open sourceFree tier

Free and open source (MPL-2.0 license)

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
OpenTofu✗
Spacelift✓
macOS
OpenTofu✓
Spacelift✗
Windows
OpenTofu✓
Spacelift✗
Linux
OpenTofu✓
Spacelift✗
CLI
OpenTofu✓
Spacelift✓
Deployment
Cloud / SaaS
OpenTofu✗
Spacelift✓
Self-hosted
OpenTofu✓
Spacelift✓
On-premise
OpenTofu✗
Spacelift✓
Hybrid
OpenTofu✗
Spacelift✓
Air-gapped
OpenTofu✗
Spacelift✓

Integrations

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

In common (2)
  • AWS
  • GitHub

OpenTofu

14 total - 12 not shared
  • Cloudflare
  • Terraform Cloud
  • Terraform Enterprise
  • Scalr
  • Spacelift
  • env0
  • Digger
  • Terrateam
  • Qovery
  • Argonaut
  • Finisterra
  • AutoCloud
Independently observed

Spacelift

26 total - 24 not shared
  • Terraform
  • OpenTofu
  • CloudFormation
  • Pulumi
  • Kubernetes
  • Ansible
  • GitLab
  • Bitbucket
  • Azure
  • Google Cloud
  • Slack
  • Infracost
  • Checkov
  • Wiz
  • OPA
  • ServiceNow
  • Terragrunt
  • AWS CDK
  • Serverless Framework
  • Bitbucket Cloud
  • Bitbucket Datacenter
  • Azure DevOps
  • Microsoft Teams
  • Datadog
Independently observed
Still deciding?

OpenTofu 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.