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Crossplane vs HashiCorp Vault

Crossplane logo

Crossplane

Cloud

The Cloud-Native Framework for Platform Engineering

From
Free
Rated
-
Full reviewWebsite
HashiCorp Vault logo

HashiCorp Vault

Cybersecurity

Manage secrets and protect sensitive data

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Crossplane requires Kubernetes expertise and infrastructure; HashiCorp Vault policies are written in HCL with no graphical user interface for policy management or editing
  • They diverge on capability: Crossplane covers Kubernetes extension, HashiCorp Vault covers Secret storage.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Crossplane and HashiCorp Vault differ
AttributeCrossplaneHashiCorp Vault
Pricing modelUnknownopen-source
PlatformsKubernetes, AWS, Azure, GCPLinux, Windows, Mac, Api
CategoryCloudCybersecurity
FoundedUnknown2014

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 Crossplane

  • Kubernetes extension
  • Custom API building
  • Resource management anywhere
  • Declarative interfaces
  • Component library
  • Provider ecosystem

Only in HashiCorp Vault

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

What people use each for

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

Crossplane

  • Building platform-as-a-service offerings for internal teamsnot HashiCorp Vault
  • Creating unified control layers for multi-cloud infrastructurenot HashiCorp Vault
  • Designing declarative APIs for infrastructure provisioningnot HashiCorp Vault

HashiCorp Vault

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

Where each one falls short

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

Crossplane

  • Requires Kubernetes expertise and infrastructure
  • Steep learning curve for teams new to Kubernetes patterns
  • Provider ecosystem smaller than Terraform

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

Pricing, plan by plan

Crossplane

Free

No published plan breakdown. See the Crossplane review.

HashiCorp Vault

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

Which should you pick?

Choose Crossplane if

  • You need kubernetes extension.
  • You want to start without paying.
  • You work on Kubernetes, AWS, Azure, GCP.
  • You also want custom api building.
Crossplane review

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

Questions people ask

Is Crossplane or HashiCorp Vault better?
Neither clearly leads. Crossplane starts at Free and HashiCorp Vault at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Crossplane or HashiCorp Vault?
Crossplane starts at Free and HashiCorp Vault at Free.
Does Crossplane or HashiCorp Vault run on more platforms?
Crossplane runs on Kubernetes, AWS, Azure, GCP. HashiCorp Vault runs on Linux, Windows, Mac, Api.
Can I use Crossplane for free?
Both have a free tier, so you can try either at no cost before committing.
What is Crossplane best used for?
Crossplane is most often used for building platform-as-a-service offerings for internal teams, creating unified control layers for multi-cloud infrastructure, designing declarative apis for infrastructure provisioning. Of those, building platform-as-a-service offerings for internal teams and creating unified control layers for multi-cloud infrastructure are not what HashiCorp Vault is typically brought in for.
What can Crossplane do that HashiCorp Vault cannot?
Crossplane covers Kubernetes extension, Custom API building, Resource management anywhere, Declarative interfaces. HashiCorp Vault covers Secret storage, Dynamic secrets, Encryption as a service, Identity-based access.

Answered from the vendors’ own pages

Crossplane: Is Crossplane free?

Yes, Crossplane is open source and free to use. It requires a Kubernetes cluster but has no licensing costs.

Source
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
Crossplane: What is Crossplane used for?

Crossplane is used to build control planes and platforms for infrastructure management, enabling platform teams to expose safe APIs to other teams.

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
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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