Comparison

OpenTofu vs Terragrunt

No clear leader: OpenTofu (68.6) and Terragrunt (65.2) 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 formatsJSONMarkdownGraphQLor send Accept: application/json
OpenTofu69
Terragrunt65
Score
Vioscale score
OpenTofu69 / 100low · 45%
Terragrunt65 / 100low · 38%
Pricing
Free tier
OpenTofu
Terragrunt
Model
OpenTofucommercial
Terragruntfreemium
Price level
OpenTofufree
Terragruntfree
Transparent
OpenTofu
Terragrunt
Integrations
Count
OpenTofu3,900
Terragrunt2
Reliability
Status page
OpenTofu
Terragrunt
Adoption
Dependent repos
OpenTofu0
Terragrunt
Github stars
OpenTofu29,933
Terragrunt9,807
Activity
Commits last 30d
OpenTofu95
Terragrunt100
Release
Cadence days
OpenTofu4
Terragrunt7
History
OpenTofu20 items
Terragrunt20 items
License
Spdx
OpenTofuMPL-2.0
TerragruntMIT
Language
Primary
OpenTofuGo
TerragruntGo
Market
Availability
Terragrunt

Capabilities

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

Core
Paradigm
OpenTofuDeclarative DSL
TerragruntDeclarative DSL
Language
OpenTofuHCL
TerragruntGo
Portability
Multicloud / cloud-agnostic
OpenTofu
Terragrunt
Architecture
State management
OpenTofuSelf-managed
TerragruntSelf-managed
Extensibility
Pluggable provider ecosystem
OpenTofu
Terragrunt
Governance
Policy as code
OpenTofu-
Terragrunt-
Ops
Drift detection
OpenTofu
Terragrunt-
GitOps continuous reconciliation
OpenTofu
Terragrunt
Deployment
Managed SaaS offering
OpenTofu-
Terragrunt
Hosting
OpenTofuSelf-hosted only
TerragruntSelf-hosted only
Adoption
Import existing resources
OpenTofu
Terragrunt-
Licensing
Open-source engine
OpenTofu
Terragrunt
Ecosystem
CNCF maturity
OpenTofu-
Terragrunt-

What each one is

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

OpenTofu

A community-driven infrastructure-as-code platform maintained under the Linux Foundation that enables declarative management of cloud resources. It serves as a compatible alternative to Terraform, preserving existing configurations and workflows while providing access to thousands of providers and reusable infrastructure modules.

Independently observed

Terragrunt

An open-source orchestrator that streamlines Infrastructure as Code management for Terraform and OpenTofu. Includes free managed CI/CD capabilities to automate and accelerate infrastructure deployment pipelines.

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 ↗

Terragrunt

HybridFree tier

Free open source; managed Terragrunt Scale offering available

  • Open SourceFree
  • Terragrunt ScaleContact sales
as of verify ↗

Platform & deployment

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

Platforms
CLI
OpenTofu
Terragrunt
Deployment
Cloud / SaaS
OpenTofu
Terragrunt
Self-hosted
OpenTofu
Terragrunt

Integrations

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

In common (1)
  • AWS

OpenTofu

14 total - 13 not shared
  • Cloudflare
  • GitHub
  • Terraform Cloud
  • Terraform Enterprise
  • Scalr
  • Spacelift
  • env0
  • Digger
  • Terrateam
  • Qovery
  • Argonaut
  • Finisterra
  • AutoCloud
Independently observed

Terragrunt

3 total - 2 not shared
  • OpenTofu
  • Terraform
Independently observed

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