AWS CDK vs Terraform(2026)
AWS CDK is better for teams that need real languages + aws native. Terraform is the stronger choice if industry standard. AWS CDK is open-source (from $0) and Terraform is open-source (from $0).
Full feature breakdown, pricing details, and pros & cons below.
By Bikram Nath
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AWS CDK
AWS CDK lets developers define AWS infrastructure in TypeScript, Python, Java, or Go — synthesizing to CloudFormation templates under the hood with reusable constructs.
Starting at $0
Visit AWS CDKTerraform
Terraform by HashiCorp is the most popular open-source IaC tool — declare infrastructure in HCL, and Terraform plans and applies changes across AWS, Azure, GCP, and 3,000+ providers.
Starting at $0
Visit TerraformHow Do AWS CDK and Terraform Compare on Features?
| Feature | AWS CDK | Terraform |
|---|---|---|
| Pricing model | open-source | open-source |
| Starting price | $0 | $0 |
| TypeScript/Python/Java/Go support | ✓ | — |
| Constructs (reusable patterns) | ✓ | — |
| CloudFormation backend | ✓ | — |
| L3 constructs (high-level) | ✓ | — |
| CDK Pipelines | ✓ | — |
| Testing (assertions) | ✓ | — |
| AWS-native | ✓ | — |
| HCL declarative language | — | ✓ |
| 3,000+ providers | — | ✓ |
| State management | — | ✓ |
| Plan before apply | — | ✓ |
| Module registry | — | ✓ |
| Remote state (Terraform Cloud) | — | ✓ |
| Workspaces | — | ✓ |
AWS CDK Pros and Cons vs Terraform
AWS CDK
Terraform
Should You Use AWS CDK or Terraform?
For most teams, AWS CDK is the better default: it offers real languages + aws native and is open-source (from $0). Choose Terraform instead if industry standard matters more than aws only. There is no universal winner — the right pick depends on your budget, team size, and whether you value real languages + aws native or industry standard more.
Choose AWS CDK if…
- •Real languages + AWS native
- •L3 constructs hide complexity
- •Testing support
Choose Terraform if…
- •Industry standard
- •Largest provider ecosystem
- •Mature and battle-tested