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Cybersecurity · head to head

HashiCorp Vault vs Terragrunt

HashiCorp Vault logo

HashiCorp Vault

Cybersecurity

Manage secrets and protect sensitive data

From
Free
Rated
-
Full reviewWebsite
Terragrunt logo

Terragrunt

Cloud

The Open Source IaC Orchestrator Platform Teams Trust

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: HashiCorp Vault policies are written in HCL with no graphical user interface for policy management or editing; Terragrunt additional complexity layer on top of Terraform
  • They diverge on capability: HashiCorp Vault covers Secret storage, Terragrunt covers Infrastructure orchestration.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which HashiCorp Vault and Terragrunt actually diverge.

Attributes where HashiCorp Vault and Terragrunt differ
AttributeHashiCorp VaultTerragrunt
Pricing modelopen-sourceUnknown
PlatformsLinux, Windows, Mac, ApiAWS, Azure, GCP
CategoryCybersecurityCloud
Founded2014Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in HashiCorp Vault

  • Secret storage
  • Dynamic secrets
  • Encryption as a service
  • Identity-based access
  • Audit logging
  • Leasing and renewal
  • Secret engines
  • Auth methods

Only in Terragrunt

  • Infrastructure orchestration
  • Run Queue
  • DRY configuration
  • Automated hooks
  • Infrastructure catalog
  • Least-privilege access

What people use each for

The jobs each tool is most often brought in to do.

HashiCorp Vault

  • Secrets managementnot Terragrunt
  • Database credentialsnot Terragrunt
  • API keysnot Terragrunt
  • SSH accessnot Terragrunt
  • PKI and certificatesnot Terragrunt

Terragrunt

  • Organizing Terraform code across multiple environmentsnot HashiCorp Vault
  • Automating infrastructure deployment workflowsnot HashiCorp Vault
  • Implementing infrastructure as code templates for developer self-servicenot HashiCorp Vault

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

HashiCorp Vault

  • Policies are written in HCL with no graphical user interface for policy management or editing
  • Unsealing requires managing multiple key shares and coordinating a quorum of operators
  • Community Edition lacks enterprise features like namespaces and disaster recovery replication
  • Requires additional monitoring solutions for alerting and observability

Terragrunt

  • Additional complexity layer on top of Terraform
  • Requires understanding of Terraform concepts
  • Paid tier pricing not clearly published

Pricing, plan by plan

HashiCorp Vault

Free
  • Open SourceFree
    • Secrets management
    • Encryption
    • Community support
  • Vault Enterprise$6000/year
    • Replication
    • HSM support
    • Advanced audit

Terragrunt

Free
  • Open SourceFree
    • Terragrunt CLI - completely free
    • Community support
  • Terragrunt Scale FreeFree
    • Free CI/CD pipeline
    • Unlimited runs and resources
    • For up to 25 infrastructure units
  • Terragrunt Scale Paid$undefined/custom
    • Volume pricing for more than 25 infrastructure units
    • Enterprise support

Which should you pick?

Choose HashiCorp Vault if

  • You need secret storage.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Api.
  • You also want dynamic secrets.
HashiCorp Vault review

Choose Terragrunt if

  • You need infrastructure orchestration.
  • You want to start without paying.
  • You work on AWS, Azure, GCP.
  • You also want run queue.
Terragrunt review

Questions people ask

Is HashiCorp Vault or Terragrunt better?
Neither clearly leads. HashiCorp Vault starts at Free and Terragrunt at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HashiCorp Vault or Terragrunt?
HashiCorp Vault starts at Free and Terragrunt at Free.
Does HashiCorp Vault or Terragrunt run on more platforms?
HashiCorp Vault runs on Linux, Windows, Mac, Api. Terragrunt runs on AWS, Azure, GCP.
Can I use HashiCorp Vault for free?
Both have a free tier, so you can try either at no cost before committing.
What is HashiCorp Vault best used for?
HashiCorp Vault is most often used for secrets management, database credentials, api keys, ssh access. Of those, secrets management and database credentials are not what Terragrunt is typically brought in for.
What can HashiCorp Vault do that Terragrunt cannot?
HashiCorp Vault covers Secret storage, Dynamic secrets, Encryption as a service, Identity-based access. Terragrunt covers Infrastructure orchestration, Run Queue, DRY configuration, Automated hooks.

Answered from the vendors’ own pages

HashiCorp Vault: Does HashiCorp Vault have a free version?

Yes. The open-source Community Edition is completely free and includes core secrets management, dynamic secrets, and encryption as a service. It is self-hosted with no licensing fees or secret count limits, but lacks enterprise features like namespaces, disaster recovery replication, and Sentinel policies.

Source
Terragrunt: Is Terragrunt free?

Yes, the Terragrunt CLI is completely free and open source. Terragrunt Scale offers a free tier for up to 25 infrastructure units.

Source
HashiCorp Vault: Can I use HashiCorp Vault in production?

The Community Edition is suitable for non-production environments and small teams. For production deployments, organizations typically use HCP Vault Dedicated (managed cloud service starting at approximately 22 USD per month) or Vault Enterprise with custom pricing that includes disaster recovery, performance replication, and 24/7 support.

Source
Terragrunt: What is the difference between Terragrunt and Terraform?

Terragrunt is an orchestration layer on top of Terraform that handles state management, DRY principles, and deployment automation without replacing Terraform itself.

Source
HashiCorp Vault: What are the main integrations available?

Vault integrates with AWS, Azure, Google Cloud, Active Directory, Okta, and 80+ other platforms. It supports dynamic credential generation for cloud providers, database systems, and identity services, enabling centralized secret management across multi-cloud infrastructure.

Source
HashiCorp Vault: Does Vault work offline?

Vault requires network connectivity to function as it is a centralized secrets management server. However, it can be deployed on-premises for air-gapped environments, and clients can cache short-lived tokens for temporary offline access once authenticated.

Source
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