Skip to main content

AWS CDK vs Terraform

Side-by-side comparison of AWS CDK and Terraform. Data-driven analysis for CTOs and engineering leaders.

Technical Profile

AWS CDK

Scalability
very high
Performance
high
Learning Curve
moderate
Maturity
stable
Languages: TypeScript, Python, Java, C#, Go

Terraform

Scalability
very high
Performance
high
Learning Curve
moderate
Maturity
mature
Languages: Go, HCL

When to Use

AWS CDK

  • +AWS infrastructure
  • +Developer teams
  • +Pattern sharing

Avoid AWS CDK when

  • -Multi-cloud
  • -Non-AWS

Terraform

  • +Multi-cloud infrastructure
  • +Team collaboration
  • +Compliance requirements

Avoid Terraform when

  • -Single cloud simple setup
  • -Need programming language

Compliance & Security

AWS CDK

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Terraform

SOC 2GDPRHIPAAPCI-DSS

Security Features

EncryptionAudit LogsRBACMFA

Operations

AWS CDK

Maintenance
medium
Monitoring
medium
Backup/Recovery
moderate
Hosting: self-hosted

Terraform

Maintenance
medium
Monitoring
medium
Backup/Recovery
moderate
Hosting: self-hosted, cloud

Frequently Asked Questions

How does scalability compare between AWS CDK and Terraform?

AWS CDK offers very-high scalability, while Terraform offers very-high scalability. Consider your expected traffic and data volume when choosing.

Which has the easier learning curve: AWS CDK or Terraform?

AWS CDK has a moderate learning curve, while Terraform has a moderate learning curve. Factor in your team's existing skills and onboarding timeline.

What are the pricing differences between AWS CDK and Terraform?

AWS CDK uses a free pricing model with a free tier. Terraform uses a freemium pricing model starting at Cloud: $20/user/month with a free tier. Evaluate total cost of ownership including operational overhead.

Which option is better for compliance: AWS CDK or Terraform?

AWS CDK supports SOC 2, GDPR, HIPAA, PCI-DSS. Terraform supports SOC 2, GDPR, HIPAA, PCI-DSS. Always verify current certifications directly with the vendor.

Need help deciding between AWS CDK vs Terraform?

Use our interactive decision tool for a personalized recommendation.