OpenTofu vs AWS CDK(2026)
OpenTofu is better for teams that need truly open source. AWS CDK is the stronger choice if real languages + aws native. OpenTofu is open-source (from $0) and AWS CDK is open-source (from $0).
Full feature breakdown, pricing details, and pros & cons below.
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OpenTofu
OpenTofu is the Linux Foundation's truly open-source fork of Terraform — created after HashiCorp changed Terraform's license to BSL, offering full Terraform compatibility under MPL 2.0.
Starting at $0
Visit OpenTofu
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 CDKHow Do OpenTofu and AWS CDK Compare on Features?
| Feature | OpenTofu | AWS CDK |
|---|---|---|
| Pricing model | open-source | open-source |
| Starting price | $0 | $0 |
| Terraform-compatible (HCL) | ✓ | — |
| MPL 2.0 license | ✓ | — |
| State encryption | ✓ | — |
| Provider compatibility | ✓ | — |
| Linux Foundation governance | ✓ | — |
| Growing community | ✓ | — |
| Module registry | ✓ | — |
| TypeScript/Python/Java/Go support | — | ✓ |
| Constructs (reusable patterns) | — | ✓ |
| CloudFormation backend | — | ✓ |
| L3 constructs (high-level) | — | ✓ |
| CDK Pipelines | — | ✓ |
| Testing (assertions) | — | ✓ |
| AWS-native | — | ✓ |
OpenTofu Pros and Cons vs AWS CDK
OpenTofu
AWS CDK
Should You Use OpenTofu or AWS CDK?
Choose OpenTofu if…
- •Truly open source
- •Drop-in Terraform replacement
- •Linux Foundation backing
Choose AWS CDK if…
- •Real languages + AWS native
- •L3 constructs hide complexity
- •Testing support