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APIs · head to head

Spring Cloud Gateway vs Terragrunt

Spring Cloud Gateway logo

Spring Cloud Gateway

APIs

API gateway built on Project Reactor for building microservices

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: Spring Cloud Gateway released under the Apache 2.0 license, free and open source with no commercial tier; Terragrunt additional complexity layer on top of Terraform
  • They diverge on capability: Spring Cloud Gateway covers Routing, Terragrunt covers Infrastructure orchestration.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Spring Cloud Gateway and Terragrunt actually diverge.

Attributes where Spring Cloud Gateway and Terragrunt differ
AttributeSpring Cloud GatewayTerragrunt
Pricing modelopen-sourceUnknown
PlatformsJava, Spring BootAWS, Azure, GCP
CategoryAPIsCloud
Founded1998Unknown

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 Spring Cloud Gateway

  • Routing
  • Path Rewriting
  • Circuit Breaker
  • Spring Boot
  • Spring Security
  • Spring Cloud
  • Java support
  • Spring Boot support

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.

Spring Cloud Gateway

  • API Developmentnot Terragrunt
  • API Gatewaynot Terragrunt
  • API Testingnot Terragrunt
  • API Documentationnot Terragrunt
  • Microservicesnot Terragrunt

Terragrunt

  • Organizing Terraform code across multiple environmentsnot Spring Cloud Gateway
  • Automating infrastructure deployment workflowsnot Spring Cloud Gateway
  • Implementing infrastructure as code templates for developer self-servicenot Spring Cloud Gateway

Where each one falls short

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

Spring Cloud Gateway

  • Released under the Apache 2.0 license, free and open source with no commercial tier

Terragrunt

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

Pricing, plan by plan

Spring Cloud Gateway

Free
  • Open SourceFree
    • Core Spring Cloud Gateway
    • Community support

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 Spring Cloud Gateway if

  • You need routing.
  • You want to start without paying.
  • You work on Java, Spring Boot.
  • You also want path rewriting.
Spring Cloud Gateway 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 Spring Cloud Gateway or Terragrunt better?
Neither clearly leads. Spring Cloud Gateway 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, Spring Cloud Gateway or Terragrunt?
Spring Cloud Gateway starts at Free and Terragrunt at Free.
Does Spring Cloud Gateway or Terragrunt run on more platforms?
Spring Cloud Gateway runs on Java, Spring Boot. Terragrunt runs on AWS, Azure, GCP.
Can I use Spring Cloud Gateway for free?
Both have a free tier, so you can try either at no cost before committing.
What is Spring Cloud Gateway best used for?
Spring Cloud Gateway is most often used for api development, api gateway, api testing, api documentation. Of those, api development and api gateway are not what Terragrunt is typically brought in for.
What can Spring Cloud Gateway do that Terragrunt cannot?
Spring Cloud Gateway covers Routing, Path Rewriting, Circuit Breaker, Spring Boot. Terragrunt covers Infrastructure orchestration, Run Queue, DRY configuration, Automated hooks.

Answered from the vendors’ own pages

Spring Cloud Gateway: Is Spring Cloud Gateway free?

Yes, Spring Cloud Gateway is free and open-source software. It is part of the Spring ecosystem and available through GitHub repositories with open-source dependencies like spring-cloud-starter-gateway-server-webflux and spring-cloud-starter-gateway-server-webmvc.

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
Spring Cloud Gateway: What enterprise support is available for Spring Cloud Gateway?

Tanzu Spring provides optional enterprise support including Day 0 access to security patches for organizations requiring guaranteed support, but specific pricing is not published on the Spring Cloud Gateway project page.

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
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