Terraform vs AWS CDK: Which is Better in 2026?
Choosing between Terraform and AWS CDK comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Terraform wins this matchup. Our overall Infrastructure as Code pick is Puppet. Our free Infrastructure as Code pick is AWS CDK. Pick AWS CDK if you need DevOps.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Terraform
Manage cloud infrastructure with declarative code
Best for you if:
- • You want multi-cloud support
- • You want great community
AWS CDK
Define cloud infrastructure using familiar programming languages
Best for you if:
- • You want a fully free tool (Terraform requires payment)
- • You want infrastructure as code with real languages
- • You want typeScript, Python, Java support
| At a Glance | Terraform | AWS CDK |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Infrastructure as Code | DevOps |
Rating | 4.6/5 | 4.4/5 |
Free plan | Yes | Yes |
Choose Terraform or AWS CDK?
Choose Terraform if
Manage cloud infrastructure with declarative code
- You want multi-cloud support
- You want great community
- Your work is infrastructure as code-shaped, not DevOps-shaped
Choose AWS CDK if
Define cloud infrastructure using familiar programming languages
- You want a fully free tool (Terraform requires payment)
- You want infrastructure as code with real languages
- You want typeScript, Python, Java support
- Your work is DevOps-shaped, not infrastructure as code-shaped
| Feature | Terraform | AWS CDK |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.6/5 111 reviews | ★4.4/5 136 reviews |
| Categories | Infrastructure as CodeDevOps | DevOpsCloud & Infrastructure |
In-Depth Analysis
Terraform
Manage cloud infrastructure with declarative code
Terraform CLI is free and will remain free, the pricing question is about HCP Terraform (formerly Terraform Cloud).
Watch out
Per-resource pricing scales linearly, managing 10,000 resources on Essentials costs ~$1,000/month, on Standard ~$4,700/month, on Premium ~$9,900/month
Strengths
- +Multi-cloud support
- +Great community
- +Declarative syntax
Weaknesses
- -State management
- -Learning curve
Key features
AWS CDK
Define cloud infrastructure using familiar programming languages
The AWS CDK is a free and extremely generous offering, as users only pay for the AWS resources they deploy, not for the tool itself.
Strengths
- +Infrastructure as code with real languages
- +TypeScript, Python, Java support
- +Better than raw CloudFormation
- +Good IDE support
- +Reusable constructs
Weaknesses
- -AWS only
- -Learning curve
- -Generated CloudFormation can be huge
- -Debugging difficult
- -Breaking changes between versions
Key features
Pricing: Terraform vs AWS CDK
| Plan | Terraform | AWS CDK |
|---|---|---|
| Tier 1 | Free Terraform CLI | Free Free |
| Tier 2 | Free HCP Terraform Free | N/A |
| Tier 3 | HCP Terraform Standard | N/A |
| Tier 4 | HCP Terraform Plus | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Terraform pricing and AWS CDK pricing.
Who Should Use What?
On a budget?
AWS CDK is free. Terraform is freemium.
Go with: AWS CDK
Want the highest-rated option?
Terraform: 4.6/5 (111 reviews). AWS CDK: 4.4/5 (136 reviews).
Go with: Terraform
Value user reviews?
Terraform: 111 reviews (4.6/5). AWS CDK: 136 reviews (4.4/5).
Go with: AWS CDK
3 Questions to Help You Decide
What's your budget?
Terraform is freemium. AWS CDK is free. Go with AWS CDK if free matters most.
What's your use case?
Terraform is a infrastructure as code tool. AWS CDK is in DevOps. Pick the category that matches your needs.
How important are ratings?
Terraform is rated higher: 4.6/5 vs 4.4/5.
Key Takeaways
Terraform
- Higher user rating: 4.6/5 vs 4.4/5
- Free tier available
- Our pick for this comparison
AWS CDK
- Completely free
- Larger review base (136 reviews)
- Better fit for DevOps
The Bottom Line
Terraform wins this matchup. Our overall Infrastructure as Code pick is Puppet. Our free Infrastructure as Code pick is AWS CDK. That said, AWS CDK is free, hard to beat on price.
Frequently Asked Questions
Is Terraform or AWS CDK better?
Terraform is rated in our evaluation. Terraform is freemium and AWS CDK is free.
What are Terraform and AWS CDK used for?
Terraform: Manage cloud infrastructure with declarative code. AWS CDK: Define cloud infrastructure using familiar programming languages.
What does Terraform cost vs AWS CDK?
Terraform is freemium (free tier + paid plans). AWS CDK is completely free. Visit their websites for detailed pricing.