Pulumi vs AWS CloudFormation(2026)
Pulumi is better for teams that need real programming languages. AWS CloudFormation is the stronger choice if free to use. Pulumi 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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Pulumi
Pulumi lets you define infrastructure using TypeScript, Python, Go, Java, or .NET — bringing the full power of programming languages (loops, functions, classes) to cloud infrastructure.
Starting at $0
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AWS 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 Pulumi and AWS CloudFormation Compare on Features?
| Feature | Pulumi | AWS CloudFormation |
|---|---|---|
| Pricing model | open-source | free |
| Starting price | $0 | $0 |
| TypeScript/Python/Go/.NET support | ✓ | — |
| Same providers as Terraform (via bridge) | ✓ | — |
| Pulumi Cloud (state + CI) | ✓ | — |
| Component model | ✓ | — |
| Testing support | ✓ | — |
| Policy as Code | ✓ | — |
| AI-assisted | ✓ | — |
| JSON + YAML templates | — | ✓ |
| AWS-native | — | ✓ |
| Drift detection | — | ✓ |
| Rollback on failure | — | ✓ |
| StackSets (multi-account) | — | ✓ |
| Change sets | — | ✓ |
| CDK backend | — | ✓ |
Pulumi Pros and Cons vs AWS CloudFormation
Pulumi
AWS CloudFormation
Should You Use Pulumi or AWS CloudFormation?
Choose Pulumi if…
- •Real programming languages
- •Strong TypeScript support
- •Better for complex logic
Choose AWS CloudFormation if…
- •Free to use
- •AWS-native (no state file)
- •Deep AWS integration