# AWS CloudFormation / CDK: how AI models rank it, September 2026

IT AI Recommendation Index, September 2026 Edition. Named in 3 judge labels across 1 categories by 2 of 12 models. Page: https://it-ai-index.com/vendors/aws-cloudformation-cdk/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Infrastructure as code | 0% | 38 | 67% | 3 |

## What the models said for it

- "Single cloud? Go native (CloudFormation for AWS—zero extra cost, day-0 support)" (Grok 4.1 Fast, IaC)

## And against it

- "These tools are tightly coupled to their respective providers... high risk of "Vendor Lock-in."" (Qwen 3.7 Flash, IaC)
- "Limitation: Vendor lock-in; not designed for multi-cloud usage." (Qwen 3.7 Flash, IaC)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.