IT AI Index
Index Vendors › Pulumi · September 2026 Edition
1 category · Ranked

Pulumi

192Judge labels
16First choices
21Negative labels
12 of 12Models named it
1Category
September 2026 Edition. Every number here is derived from the raw labels under vendor table vv2026-09.2, every buyer segment counted.
Best standing
12% in IaC for enterprise buyers
Rank 3 of 46 in the mid-market standingaccepted challenger
0 of 12 models made it the first choice on the direct prompt; 6% of its 66 labels there were negative.
By buyer segmentRead the same way at every buyer size.
In iac · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Pulumi for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrant
Infrastructure as codeCloud and infrastructure7%3 of 466%66accepted challenger

Movement

This is the first edition on this tier, so no move can be computed for Pulumi yet. From the next edition this section shows, per buyer segment, whether its share moved by more than the measured noise floor.

By model

How each model treated Pulumi across every prompt where it was named for a mid-market B2B company. Twelve models, six prompts per category.
ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.512205
GPT-5.4 mini03115
Gemini 3.5 Flash25007
Perplexity Sonar04004
Grok 4.1 Fast14016
Mistral Small14106
DeepSeek V4 Flash14016
Llama 4 Maverick02305
Qwen 3.7 Flash06006
Kimi K215006
GLM 4.7 FlashX12115
MiniMax M2.504105

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct34 labels2
Paraphrase34 labels1
Comparative35 labels7not counted in share
Budget-constrained30 labels3
Scale-constrained32 labels10
Negative27 labels2not counted in share
First choiceAlternativeMentionNegative192 labels in all, every segment counted; 16 of the 25 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“If your developers are already writing TypeScript/Python, Pulumi or AWS CDK can flatten the learning curve significantly.” Kimi K2 · IaC · scale prompt · first choice
“The best infrastructure as code tools in 2026 are Pulumi, Terraform, OpenTofu... Pulumi offers a distinct approach” Claude Haiku 4.5 · IaC · comparative prompt · first choice
“Pulumi | Strong multi-language support, excellent secrets engine, and great developer UX.” Gemini 3.5 Flash · IaC · scale prompt · first choice
“For multi-cloud provisioning, Terraform, Pulumi, and Crossplane are top choices.” Mistral Small · IaC · comparative prompt · first choice

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“Pulumi's free tier is limited: The free Individual tier supports only 1 user, making it impractical for teams without paying.” DeepSeek V4 Flash · IaC · budget prompt · soft negative
“Team tier is paid (~$40–$150+/user/month); higher learning curve for ops teams not comfortable with programming.” GLM 4.7 FlashX · IaC · budget prompt · soft negative
“Pitfalls: Less mature ecosystem/modules than Terraform, "footguns" from general-purpose languages” Grok 4.1 Fast · IaC · negative prompt · soft negative
“it can be more complex and less budget-friendly operationally” GPT-5.4 mini · IaC · budget prompt · soft negative

Named alongside

The products named in the same answers as Pulumi, over the 189 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Pulumi was named but was not.
ProductSame answerTook the first choice insteadHead to head
AWS CloudFormation114 of 1890Not in the top three
Ansible90 of 1897Not in the top three
AWS CDK73 of 1891Not in the top three
Crossplane65 of 1891Not in the top three
Azure Bicep45 of 1890Not in the top three
Puppet44 of 1890Not in the top three
Spacelift39 of 1892Not in the top three
Chef34 of 1890Not in the top three
A head-to-head page exists where both products are in a category's top three. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Pulumi. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, four of the twelve in this edition, so these counts come from 137 of the 189 answers that named Pulumi and are not a share of its labels.

Domains cited

pulumi.comYour site89
apiiro.com78
guideflow.com64
spacelift.io61
cortex.io57
checkthat.ai50
firefly.ai40
toolradar.com36
devopsplatforms.com33
devtoollab.com33

452 of the 541 domain citations in answers naming Pulumi came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Names read as Pulumi

What the judge wrote, as written, with how often. The vendor table decides that these count as Pulumi; a claim can dispute any of them.
Pulumi (Open Source Edition) 1Pulumi Cloud 1
Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Pulumi's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Pulumi, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

It does not get any change to labels, shares or verdicts, any preview, or any say over which quotes appear. A verification link goes to your work email; an address at pulumi.com is approved on the spot, any other address is reviewed by hand.

Your name and company appear on the claimed page, or the company alone if you ask below. A title and a LinkedIn address appear there too if you give them, and are left off if you do not. Your email address is never published.