AWS CDK vs Terraform: Which is Better in 2026?
Choosing between AWS CDK and Terraform 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:
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
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
| At a Glance |  AWS CDK |  Terraform |
|---|---|---|
Starts at | Free | Free tier + paid plansFree tier available |
Best For | DevOps | Infrastructure as Code |
Rating | - | - |
Choose AWS CDK or Terraform?
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
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
| Feature | AWS CDK | Terraform |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.4/5 124 reviews | ★4.7/5 96 reviews |
| Categories | DevOpsCloud & Infrastructure | Infrastructure as CodeDevOps |
In-Depth Analysis
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
Terraform
Manage cloud infrastructure with declarative code
Strengths
- +Multi-cloud support
- +Great community
- +Declarative syntax
Weaknesses
- -State management
- -Learning curve
Key features
Pricing: AWS CDK vs Terraform
| Plan | AWS CDK | Terraform |
|---|---|---|
| Tier 1 | Free Free | Free Terraform CLI |
| Tier 2 | N/A | Free HCP Terraform Free |
| Tier 3 | N/A | HCP Terraform Standard |
| Tier 4 | N/A | HCP Terraform Plus |
Pricing verified from each vendor's public pricing page. Compare in detail on AWS CDK pricing and Terraform pricing.
Who Should Use What?
On a budget?
AWS CDK is free. Terraform is freemium.
Go with: AWS CDK
Want the highest-rated option?
Neither has user reviews yet.
Go with: AWS CDK
Value user reviews?
Neither has user reviews yet.
Go with: Terraform
3 Questions to Help You Decide
What's your budget?
AWS CDK is free. Terraform is freemium. Go with AWS CDK if free matters most.
What's your use case?
AWS CDK is a DevOps tool. Terraform is in infrastructure as code. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
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 AWS CDK or Terraform better?
Terraform is rated in our evaluation. AWS CDK is free and Terraform is freemium.
What are AWS CDK and Terraform used for?
AWS CDK: Define cloud infrastructure using familiar programming languages. Terraform: Manage cloud infrastructure with declarative code.
What does AWS CDK cost vs Terraform?
AWS CDK is completely free. Terraform is freemium (free tier + paid plans). Visit their websites for detailed pricing.