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Attack surface management · November 2026 Edition

Censys ASM vs Cortex Xpanse

One of fourteen models named Censys ASM first on the direct prompt; zero named Cortex Xpanse. Censys ASM was named by thirteen of the fourteen models and Cortex Xpanse by twelve and Censys ASM carries 30 labels and Cortex Xpanse 31, so the shares are not directly comparable.

Censys ASM

accepted challenger

Named in one category this edition.

Cortex Xpanse

criticized challenger

Named in one category this edition.

First-choice share6%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate20%45%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#7A position in a field of 12; printed, not drawn.
Labels3031A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Censys ASM reading right to left. Rank and label count are printed, not drawn.Microsoft Defender External Attack Surface Management was named alongside these two in ten of the fourteen direct answers. Intruder vs Censys ASM · Intruder vs Cortex Xpanse · Attaxion vs Censys ASM

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 attack surface management page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Censys ASMFirst choices, of fourteen modelsCortex Xpanse
Direct102 against Censys ASM · 5 against Cortex Xpanse
Paraphrase113 against Cortex Xpanse
Comparative06
Budget-constrained101 against Cortex Xpanse
Scale-constrained012 against Cortex Xpanse
Negative004 against Censys ASM · 3 against Cortex Xpanse
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, Censys ASM and Cortex Xpanse were named in the same answer forty-five times, of the 80 answers naming Censys ASM and the 119 naming Cortex Xpanse. In those answers Cortex Xpanse took the first choice eleven times and Censys ASM zero.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Censys ASM and Cortex Xpanse 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
Censys ASM Cortex Xpanse first choice named as an alternative argued againstblank: not namedEach cell is one answer, Censys ASM on the left and Cortex Xpanse on the right.

The direct prompt

The plain question, one answer per model, grouped by where Censys ASM and Cortex Xpanse stood in it.

Censys ASM first, Cortex Xpanse not the choice

1 of 14 modelsCortex Xpanse was named in the answer but not as the choice, or not at all.
GPT-5.4 miniCensys ASM alternatives: IONIX, Intruder, Microsoft Defender External Attack Surface Management

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashCyCognito alternatives: Censys ASM, Detectify, Microsoft Defender External Attack Surface Management, UpGuard BreachSight
Qwen 3.7 FlashTenable Vulnerability Management alternatives: Censys ASM, Dive, Rapid7
GPT-6 LunaMicrosoft Defender External Attack Surface Management alternatives: Censys ASM, CyCognito

Neither was named

10 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Intruder alternatives: CrowdStrike Falcon Surface, CyCognito, Microsoft Defender External Attack Surface Management, Tenable Attack Surface Management, UpGuard BreachSight
Perplexity SonarIntruder alternatives: Microsoft Defender External Attack Surface Management, UpGuard BreachSight
Grok 4.20Intruder alternatives: CrowdStrike Falcon Exposure Management, CyCognito, Microsoft Defender External Attack Surface Management
Mistral SmallCyCognito, Intruder alternatives: Microsoft Defender External Attack Surface Management
DeepSeek V4 FlashUpGuard BreachSight alternatives: CyCognito, Intruder, Microsoft Defender External Attack Surface Management
Llama 4 Maverickno first choice
Kimi K2Intruder alternatives: CyCognito, Microsoft Defender External Attack Surface Management, SynScan
GLM 4.7 FlashXIntruder alternatives: CyCognito, SecurityScorecard
MiniMax M2.5Intruder alternatives: Attaxion, Halo Security
Muse Glimmer 30BIntruder alternatives: CyCognito, Microsoft Defender External Attack Surface Management

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
Censys ASM leads by six points.
Censys ASM6%#5 of 14
Cortex Xpanse0%#14 of 14
The full small business standing →
Mid-marketThe figures above
Censys ASM leads by two points.
Censys ASM6%#5 of 12
Cortex Xpanse4%#7 of 12
The full mid-market standing →
Enterprise
The order flips: Cortex Xpanse leads at enterprise.
Cortex Xpanse44%#1 of 10
Censys ASM0%#8 of 10
The full enterprise standing →

What the models said about Censys ASM

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

“Censys ASM is a platform that several sources explicitly advise caution about or even avoid for certain use cases” Mistral Small · negative prompt · hard negative
“delivers best-in-class internet scanning as a data layer but offers no validation, making it a strong input rather than a standalone program” Llama 4 Maverick · negative prompt · soft negative
“The interface and workflow can feel more technical; pricing isn't published and may scale beyond mid-market comfort zones.” DeepSeek V4 Flash · direct prompt · soft negative
“If your budget is tight, Censys ASM is usually the best first place to look.” GPT-5.4 mini · budget prompt · first choice
“Censys ASM is probably the best default choice for a mid-market B2B company” GPT-5.4 mini · direct prompt · first choice
“My default recommendation: Censys ASM for a mid-sized B2B company” GPT-6 Luna · paraphrase prompt · first choice

What the models said about Cortex Xpanse

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

“What to Avoid ... Enterprise-focused; ~$95,000/year starting price” Kimi K2 · paraphrase prompt · hard negative
“Enterprise tools like Palo Alto Cortex Xpanse, Censys, and Mandiant ASM are powerful but often assume six-figure budgets” Kimi K2 · direct prompt · soft negative
“General high-cost or complex platforms (e.g., Cortex Xpanse, Mandiant ASM, CrowdStrike Falcon Exposure Management)” Grok 4.20 · negative prompt · soft negative
“Strong in automated discovery, risk prioritization, and response. Excellent for broad internet-facing assets and integrations.” Grok 4.20 · scale prompt · first choice
“A leading Cyber Asset Attack Surface Management (CAASM) tool, recognized as a Leader in Forrester's 2024 ASM Wave.” Mistral Small · comparative prompt · first choice
“Cortex Xpanse represents the enterprise benchmark for internet-scale external attack surface management” MiniMax M2.5 · comparative prompt · first choice
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.