AWS CDK vs AWS CloudFormation(2026)
AWS CDK is better for teams that need real languages + aws native. AWS CloudFormation is the stronger choice if free to use. AWS CDK is open-source (from $0) and AWS CloudFormation is free (from $0).
Full feature breakdown, pricing details, and pros & cons below.
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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 CDKAWS CloudFormation
AWS CloudFormation is Amazon's native IaC service — define AWS resources in JSON or YAML templates and CloudFormation handles provisioning, updating, and deleting with drift detection.
Starting at $0
Visit AWS CloudFormationHow Do AWS CDK and AWS CloudFormation Compare on Features?
| Feature | AWS CDK | AWS CloudFormation |
|---|---|---|
| Pricing model | open-source | free |
| Starting price | $0 | $0 |
| TypeScript/Python/Java/Go support | ✓ | — |
| Constructs (reusable patterns) | ✓ | — |
| CloudFormation backend | ✓ | — |
| L3 constructs (high-level) | ✓ | — |
| CDK Pipelines | ✓ | — |
| Testing (assertions) | ✓ | — |
| AWS-native | ✓ | ✓ |
| JSON + YAML templates | — | ✓ |
| Drift detection | — | ✓ |
| Rollback on failure | — | ✓ |
| StackSets (multi-account) | — | ✓ |
| Change sets | — | ✓ |
| CDK backend | — | ✓ |
AWS CDK Pros and Cons vs AWS CloudFormation
AWS CDK
AWS CloudFormation
Should You Use AWS CDK or AWS CloudFormation?
Choose AWS CDK if…
- •Real languages + AWS native
- •L3 constructs hide complexity
- •Testing support
Choose AWS CloudFormation if…
- •Free to use
- •AWS-native (no state file)
- •Deep AWS integration