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Head-to-head · Infrastructure Policy as Code Tools

Terraform vs Cloud Custodian

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Terraform #1 in Infrastructure Policy as Code Tools 9.4/10 Free plan Free plan✓ 0 of 5 features Visit Terraform
Cloud Custodian #4 in Infrastructure Policy as Code Tools 9.0/10 Free plan Free plan✓ 5 of 5 features Try Cloud Custodian

Terraform leads on 0 checks, Cloud Custodian on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTerraform · 9.4/10
  • Free planboth
  • Most featuresCloud Custodian · 5 of 5

Terraform scores higher on our rubric for infrastructure policy as code tools: 9.4 against 9.0 out of 10; our editors rank them #1 and #4.

Terraform is the better fit for multi-cloud Terraform teams. Cloud Custodian is the better fit for multi-cloud remediation teams.

  • Terraform fits best

    Multi-cloud Terraform teams

  • Cloud Custodian fits best

    Multi-cloud remediation teams

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Side by side

Feature Terraform 9.4/10 Visit ↗ Cloud Custodian 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in Infrastructure Policy as Code Tools #4 in Infrastructure Policy as Code Tools
Best for Multi-cloud Terraform teams Multi-cloud remediation teams
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Windows, macOS, Linux Windows, macOS, Linux
Support Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Terraform 0/5 · Cloud Custodian 5/5
Policy testing Not checked yet ✓ (best)
Admission control Not checked yet ✓ (best)
Runtime enforcement Not checked yet ✓ (best)
CI/CD integration Not checked yet ✓ (best)
Policy reporting Not checked yet ✓ (best)
Specs
Policy language Not checked yet YAML
IaC formats Not checked yet Terraform
Our review
Pros
  • Supports AWS, Azure, Google Cloud, Oracle Cloud, Docker, and SaaS APIs
  • Combines plan/apply, state management, imports, drift detection, and policy
  • Offers remote and self-hosted execution through HCP Terraform
  • Supports AWS, Azure, Google Cloud, and Oracle Cloud Infrastructure
  • Combines YAML policies, dry runs, enforcement, remediation, and reporting
  • Evaluates Terraform infrastructure as code in CI with c7n-left
Cons
  • Advanced governance features begin on the Standard plan
  • Pricing is based on managed resources rather than users or seats
  • Some capabilities depend on HCP Terraform rather than the CLI alone
  • Requires teams to manage and operate the open-source deployment
  • CI admission-style enforcement is not a standalone deployment admission controller
  • Policy reporting is limited to CSV and text-based outputs
Our verdict

Terraform is an infrastructure-as-code tool for building, changing, and versioning infrastructure through declarative HCL configuration. It is intended for infrastructure and platform teams managing cloud, private datacenter, SaaS, and…

Read the review →

Cloud Custodian is an open-source rules engine for managing public-cloud resources and accounts. It is designed for teams that need one policy workflow across AWS, Microsoft Azure, Google Cloud Platform, and Oracle Cloud Infrastructure.…

Read the review →
  1. TerraformInfrastructure Policy as Code Tools 9.4Free plan
  2. Cloud CustodianInfrastructure Policy as Code Tools 9.0Free plan

Strengths and trade-offs

  • Terraform — where it wins

    • Supports AWS, Azure, Google Cloud, Oracle Cloud, Docker, and SaaS APIs
    • Combines plan/apply, state management, imports, drift detection, and policy
    • Offers remote and self-hosted execution through HCP Terraform

    Where it doesn't

    • Advanced governance features begin on the Standard plan
    • Pricing is based on managed resources rather than users or seats
    • Some capabilities depend on HCP Terraform rather than the CLI alone

  • Cloud Custodian — where it wins

    • Supports AWS, Azure, Google Cloud, and Oracle Cloud Infrastructure
    • Combines YAML policies, dry runs, enforcement, remediation, and reporting
    • Evaluates Terraform infrastructure as code in CI with c7n-left

    Where it doesn't

    • Requires teams to manage and operate the open-source deployment
    • CI admission-style enforcement is not a standalone deployment admission controller
    • Policy reporting is limited to CSV and text-based outputs

More comparisons

All infrastructure policy as code tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update