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Infrastructure as code · November 2026 Edition

Pulumi vs Ansible

Zero of fourteen models named Pulumi first on the direct prompt; zero named Ansible. Both were named by all fourteen models and Pulumi carries 75 labels and Ansible 50, so the shares are not directly comparable.

Pulumi

accepted challenger

Named in one category this edition.

Ansible

accepted challenger

Named in four categories this edition.

First-choice share6%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%22%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 13; printed, not drawn.
Labels7550A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Pulumi reading right to left. Rank and label count are printed, not drawn.Terraform was named alongside these two in thirteen of the fourteen direct answers. Terraform vs Pulumi · Terraform vs Ansible · OpenTofu vs Pulumi

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the infrastructure as code page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
PulumiFirst choices, of fourteen modelsAnsible
Direct002 against Ansible
Paraphrase00
Comparative101 against Ansible
Budget-constrained212 against Pulumi · 1 against Ansible
Scale-constrained201 against Ansible
Negative004 against Pulumi · 6 against Ansible
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the November 2026 Edition, Pulumi and Ansible were named in the same answer 112 times, of the 224 answers naming Pulumi and the 145 naming Ansible. In those answers Ansible took the first choice four times and Pulumi twelve.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Pulumi and Ansible stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.20
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Pulumi Ansible first choice named as an alternative argued againstblank: not namedEach cell is one answer, Pulumi on the left and Ansible on the right.

The direct prompt

The plain question, one answer per model, grouped by where Pulumi and Ansible stood in it.

Neither was the first choice, one was named

14 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Terraform alternatives: AWS CDK, OpenTofu, Pulumi
GPT-5.4 miniTerraform alternatives: AWS CDK, AWS CloudFormation, Azure Bicep, Pulumi
Gemini 3.5 FlashOpenTofu, Terraform alternatives: AWS CDK, Atlantis, Pulumi, Spacelift, env0
Perplexity SonarTerraform alternatives: AWS CDK, AWS CloudFormation, OpenTofu, Pulumi
Grok 4.20OpenTofu, Terraform alternatives: Pulumi, Terragrunt
Mistral SmallTerraform alternatives: Pulumi, Puppet
DeepSeek V4 FlashTerraform alternatives: Atlantis, OpenTofu, Pulumi, Spacelift
Llama 4 MaverickTerraform alternatives: Ansible, OpenTofu
Qwen 3.7 FlashTerraform alternatives: AWS CDK, AWS CloudFormation, Pulumi
Kimi K2OpenTofu, Terraform alternatives: Pulumi, Spacelift, env0
GLM 4.7 FlashXTerraform alternatives: AWS CloudFormation, Ansible, Azure Bicep, OpenTofu, Pulumi
MiniMax M2.5Terraform alternatives: Ansible, Pulumi
GPT-6 LunaTerraform with HCP Terraform alternatives: AWS CloudFormation, OpenTofu, Pulumi
Muse Glimmer 30BTerraform alternatives: OpenTofu, Pulumi

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Pulumi leads by six points.
Pulumi8%#3 of 11
Ansible3%#4 of 11
The full small business standing →
Mid-marketThe figures above
Pulumi leads by five points.
Pulumi6%#3 of 13
Ansible2%#4 of 13
The full mid-market standing →
Enterprise
Pulumi leads by three points.
Pulumi3%#4 of 14
Ansible0%#11 of 14
The full enterprise standing →

What the models said about Pulumi

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Imperative/Programming-Language-Based Tools like Pulumi (or CDK for Terraform) ... Why cautious? You're writing code ... instead of pure declarative configs.” Grok 4.20 · negative prompt · soft negative
“great if your team already prefers real programming languages, but it can be more complex and may take more engineering time” GPT-5.4 mini · budget prompt · soft negative
“Be Aware of Dependencies... A breaking change in `npm` or `pip` dependencies can break your infrastructure deployment.” Qwen 3.7 Flash · negative prompt · soft negative
“If you need multi-cloud or hybrid support, Terraform or Pulumi are top choices.” Mistral Small · comparative prompt · first choice
“Pick 2–3 tools (e.g., OpenTofu + Pulumi + one managed platform like Spacelift).” Grok 4.20 · scale prompt · first choice
“Pulumi is an excellent free option for individuals and small teams” GLM 4.7 FlashX · budget prompt · first choice

What the models said about Ansible

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Why avoid for IaC: Weak state-tracking engines compared to purpose-built IaC tools.” Gemini 3.5 Flash · negative prompt · hard negative
“Ansible, Chef, Salt, and Puppet for primary provisioning. These are primarily configuration-management tools, not infrastructure-provisioning engines.” Perplexity Sonar · negative prompt · soft negative
“More focused on configuration than pure infrastructure provisioning; Terraform/OpenTofu are better for infrastructure lifecycle management.” MiniMax M2.5 · budget prompt · soft negative
“For a budget-constrained company, Ansible is the safest bet if you need a free, open-source solution” GLM 4.7 FlashX · budget prompt · first choice
“Ansible if your focus is more on app deployment/config than pure infrastructure ... less ideal for complex cloud resource graphs” Grok 4.20 · paraphrase prompt · alternative
“Choose Ansible if your main need is configuration and automation of systems rather than provisioning cloud resources.” GPT-5.4 mini · comparative prompt · alternative
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.