AWS CDK vs OpenTofu: Which Should You Choose in 2026?
Choosing between AWS CDK and OpenTofu 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 want the higher-rated option (8.6/10 vs 8.5/10)
- • 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
OpenTofu
Open-source Terraform fork
Best for you if:
- • OpenTofu is an open-source fork of Terraform for infrastructure as code
- • It provides a community-driven alternative following Terraform's license change
| At a Glance |  AWS CDK |  OpenTofu |
|---|---|---|
Price | Free | Free |
Best For | Infrastructure as Code | Infrastructure as Code |
Rating | 86/100 | 85/100 |
| Feature | AWS CDK | OpenTofu |
|---|---|---|
| Pricing Model | Free | Free |
| Editorial Score | 86 | 85 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Infrastructure as Code | Infrastructure as Code |
Understanding the Differences
Both AWS CDK and OpenTofu solve similar problems, but they approach them differently.AWS CDK positions itself as "define cloud infrastructure using familiar programming languages" while OpenTofufocuses on "open-source terraform fork". These differences matter depending on what you're trying to accomplish.
When to Choose AWS CDK
AWS CDK makes sense if you're looking for a completely free solution. With a score of 86/100, it's our top pick in this comparison.
When to Choose OpenTofu
OpenTofu is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, AWS CDK lets you get started without pulling out your credit card.
We'd pick: AWS CDK
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. AWS CDK handles scale better in our testing.
We'd pick: AWS CDK
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: AWS CDK
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? AWS CDK is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated AWS CDK higher (86/100). But the community has upvoted OpenTofu more (0 votes). Pick your source of truth.
Key Takeaways
What AWS CDK Does Better
- Higher overall score (86/100)
- Our recommendation for most use cases
Consider OpenTofu If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with AWS CDK (86/100). But the honest answer is that "better" depends on your situation. AWS CDK scores higher in our analysis, but OpenTofu might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is AWS CDK or OpenTofu better?
Based on our analysis, AWS CDK scores higher with 86/100. AWS CDK isfree while OpenTofu is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from AWS CDK to OpenTofu easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do AWS CDK and OpenTofu offer free trials?
Most software in this category offers free trials or free tiers. AWS CDK is completely free.OpenTofu is completely free. Visit their websites for current trial offers.