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.
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 need infrastructure as code features specifically
- • The standard tool for infrastructure as code across any cloud
- • Declarative configuration with plan-apply workflow
AWS CDK
Define cloud infrastructure using familiar programming languages
Best for you if:
- • You need something completely free
- • You need DevOps features specifically
- • AWS CDK lets you define cloud infrastructure using familiar programming languages like TypeScript and Python
- • It synthesizes your code into CloudFormation templates, making infrastructure truly version-controlled
| At a Glance |  Terraform |  AWS CDK |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Infrastructure as Code | DevOps |
Rating | 4.7/5 | 4.4/5 |
Choose Terraform or AWS CDK?
Choose Terraform if
Manage cloud infrastructure with declarative code
- Multi-cloud support
- Great community
- Declarative syntax
- Your work is infrastructure as code-shaped, not DevOps-shaped
Choose AWS CDK if
Define cloud infrastructure using familiar programming languages
- Infrastructure as code with real languages
- TypeScript, Python, Java support
- Better than raw CloudFormation
- You want a fully free tool (Terraform requires payment)
- Your work is DevOps-shaped, not infrastructure as code-shaped
| Feature | Terraform | AWS CDK |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.7/5 96 reviews | ★4.4/5 124 reviews |
| Categories | Infrastructure as CodeDevOps | DevOpsCloud & Infrastructure |
In-Depth Analysis
Terraform
Manage cloud infrastructure with declarative code
Strengths
- +Multi-cloud support
- +Great community
- +Declarative syntax
Weaknesses
- -State management
- -Learning curve
Key features
AWS CDK
Define cloud infrastructure using familiar programming languages
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: 4.7/5 (96 reviews). AWS CDK: 4.4/5 (124 reviews).
Go with: Terraform
Value user reviews?
Terraform: 96 reviews (4.7/5). AWS CDK: 124 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: 4.7/5 vs 4.4/5.
Key Takeaways
Terraform
- Higher user rating: 4.7/5 vs 4.4/5
- Free tier available
- Our pick for this comparison
AWS CDK
- Completely free
- Larger review base (124 reviews)
- Better fit for DevOps
The Bottom Line
Terraform is our pick. 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.