# Infrastructure as code for small business buyers: what AI models recommend, September 2026

IT AI Recommendation Index, September 2026 Edition. Asked as "infrastructure-as-code tool" and as "IaC platform for provisioning cloud resources", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://it-ai-index.com/cloud/infrastructure-as-code/smb/

**Standing:** Terraform leads with 50% of first choices; verdict clear leader. 60 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Terraform | 50% | 23% | 74 |
| 2 | OpenTofu | 33% | 0% | 42 |
| 3 | Pulumi | 8% | 10% | 61 |
| 4 | AWS CDK | 2% | 16% | 32 |
| 5 | Crossplane | 2% | 31% | 16 |
| 6 | Ansible | 0% | 13% | 39 |
| 7 | AWS CloudFormation | 0% | 26% | 46 |
| 8 | Azure Bicep | 0% | 25% | 12 |
| 9 | Azure Resource Manager templates | 0% | 36% | 11 |
| 10 | Chef | 0% | 86% | 14 |
| 11 | Puppet | 0% | 72% | 25 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: AWS CDK, Terraform; alternatives AWS CloudFormation, Pulumi
- GPT-5.4 mini: Terraform; alternatives AWS CDK, AWS CloudFormation, Azure Bicep, Helm
- Gemini 3.5 Flash: Pulumi, SST; alternatives AWS CDK, OpenTofu
- Perplexity Sonar: Terraform; alternatives Ansible, OpenTofu
- Grok 4.1 Fast: Terraform; alternatives AWS CDK, Ansible, OpenTofu, Pulumi
- Mistral Small: Terraform; alternatives Pulumi
- DeepSeek V4 Flash: OpenTofu, Terraform; alternatives AWS CloudFormation / AWS CDK, Ansible, Pulumi
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: OpenTofu; alternatives Ansible, Pulumi
- Kimi K2: OpenTofu, Terraform; alternatives AWS CloudFormation, Pulumi
- GLM 4.7 FlashX: Terraform; alternatives AWS CDK, AWS CloudFormation, Ansible, Pulumi
- MiniMax M2.5: Terraform/OpenTofu; alternatives Atlantis, Pulumi, Puppet

## Sources the answers cite

58 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- toolradar.com: 30 answers, 38 citations
- apiiro.com: 27 answers, 27 citations
- pulumi.com: 26 answers, 33 citations
- spacelift.io: 24 answers, 26 citations
- guideflow.com: 22 answers, 22 citations
- checkthat.ai: 18 answers, 18 citations
- cortex.io: 18 answers, 18 citations
- gartsolutions.com: 15 answers, 15 citations

Pages named in the most answers:

- https://toolradar.com/best/infrastructure-as-code/for/small-businesses (28 answers)
- https://apiiro.com/blog/best-iac-tools (27 answers)
- https://guideflow.com/blog/infrastructure-as-code-tools (22 answers)
- https://pulumi.com/blog/infrastructure-as-code-tools (22 answers)
- https://checkthat.ai/answers/what-are-the-best-infrastructure-as-code-tools (18 answers)
- https://cortex.io/post/best-infrastructure-as-code-iac-tools (18 answers)
- https://spacelift.io/blog/infrastructure-as-code-tools (18 answers)
- https://gartsolutions.com/infrastructure-as-code-tools (15 answers)
- https://devopsplatforms.com/buying-guides/best-iac-tools (13 answers)
- https://devtoollab.com/blog/best-infrastructure-as-code-tools (13 answers)

## Warned against

- Puppet: 18 of 25 labels negative. "Tools to Avoid (Overkill for most SMBs): Enterprise configuration management tools like Puppet, Chef, or SaltStack" (Grok 4.1 Fast, negative prompt)
- Chef: 12 of 14 labels negative. "categorizes it as declining and best suited to legacy configuration management, which makes it a weaker fit" (Perplexity Sonar, negative prompt)
- AWS CloudFormation: 12 of 46 labels negative. "Cloud‑specific templates (CloudFormation, ARM) – vendor lock‑in and steep learning curve." (GLM 4.7 FlashX, negative prompt)
- Terraform: 17 of 74 labels negative. "following HashiCorp's 2023 shift to a restrictive Business Source License (BSL), OpenTofu emerged as the Linux Foundation-backed, purely open-source, drop-in replacement" (Gemini 3.5 Flash, direct prompt)

## 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.