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Vulnerability management platforms · October 2026 Edition

ManageEngine Vulnerability Manager Plus vs Tenable Nessus

Zero of fourteen models named ManageEngine Vulnerability Manager Plus first on the direct prompt; zero named Tenable Nessus. ManageEngine Vulnerability Manager Plus was named by eleven of the fourteen models and Tenable Nessus by eleven and ManageEngine Vulnerability Manager Plus carries 29 labels and Tenable Nessus 23, so the shares are not directly comparable.

Named in one category this edition.

Tenable Nessus

criticized challenger

Named in four categories this edition.

First-choice share7%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate10%30%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#8A position in a field of 10; printed, not drawn.
Labels2923A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ManageEngine Vulnerability Manager Plus reading right to left. Rank and label count are printed, not drawn.Rapid7 InsightVM was named alongside these two in twelve of the fourteen direct answers. Rapid7 InsightVM vs ManageEngine Vulnerability Manager Plus · Rapid7 InsightVM vs Tenable Nessus · Tenable Vulnerability Management vs ManageEngine Vulnerability Manager Plus

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 vulnerability management platforms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ManageEngine Vulnerability Manager PlusFirst choices, of fourteen modelsTenable Nessus
Direct00
Paraphrase211 against Tenable Nessus
Comparative001 against ManageEngine Vulnerability Manager Plus · 1 against Tenable Nessus
Budget-constrained213 against Tenable Nessus
Scale-constrained00
Negative002 against ManageEngine Vulnerability Manager Plus · 2 against Tenable Nessus
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 October 2026 Edition, ManageEngine Vulnerability Manager Plus and Tenable Nessus were named in the same answer twenty times, of the 78 answers naming ManageEngine Vulnerability Manager Plus and the 83 naming Tenable Nessus. In those answers Tenable Nessus took the first choice two times and ManageEngine Vulnerability Manager Plus three.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where ManageEngine Vulnerability Manager Plus and Tenable Nessus stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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
ManageEngine Vulnerability Manager Plus Tenable Nessus first choice named as an alternative argued againstblank: not namedEach cell is one answer, ManageEngine Vulnerability Manager Plus on the left and Tenable Nessus on the right.

The direct prompt

The plain question, one answer per model, grouped by where ManageEngine Vulnerability Manager Plus and Tenable Nessus stood in it.

Neither was the first choice, one was named

7 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Rapid7 InsightVM alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender for Cloud, Tenable Vulnerability Management, Vicarius vRx
Perplexity SonarRapid7 InsightVM alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender Vulnerability Management, Microsoft Defender for Cloud, Qualys VMDR, Vicarius vRx
Grok 4.1 FastRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus, Qualys VMDR, Tenable Vulnerability Management
Mistral SmallRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus, SureCloud
Llama 4 MaverickIntruder alternatives: ManageEngine Vulnerability Manager Plus, Rapid7's Insight platform
GLM 4.7 FlashXQualys VMDR alternatives: ManageEngine Vulnerability Manager Plus, Microsoft Defender Vulnerability Management, Tenable Vulnerability Management
Muse Glimmer 30BRapid7 InsightVM alternatives: Intruder, ManageEngine Vulnerability Manager Plus

Neither was named

7 of 14 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniRapid7 InsightVM alternatives: Qualys VMDR, Tenable Vulnerability Management
Gemini 3.5 FlashSecPod SanerNow, Vicarius vRx alternatives: CrowdStrike Falcon Spotlight, Microsoft Defender Vulnerability Management, Nucleus Security, Rapid7 InsightVM
DeepSeek V4 FlashRapid7 InsightVM, Vicarius vRx alternatives: Intruder, Tenable Vulnerability Management
Qwen 3.7 FlashRapid7 InsightVM alternatives: Qualys VMDR, Tenable Vulnerability Management
Kimi K2Intruder, Rapid7 InsightVM alternatives: Qualys VMDR
MiniMax M2.5Rapid7 InsightVM alternatives: Intruder, Tenable One
GPT-6 LunaTenable Vulnerability Management alternatives: Qualys VMDR, Rapid7 InsightVM

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
ManageEngine Vulnerability Manager Plus leads by four points.
ManageEngine Vulnerability Manager Plus9%#2 of 11
Tenable Nessus5%#3 of 11
The full small business standing →
Mid-marketThe figures above
ManageEngine Vulnerability Manager Plus leads by four points.
ManageEngine Vulnerability Manager Plus7%#5 of 10
Tenable Nessus4%#8 of 10
The full mid-market standing →
Enterprise
ManageEngine Vulnerability Manager Plus leads by two points.
ManageEngine Vulnerability Manager Plus2%#6 of 9
Tenable Nessus0%#– of 9
The full enterprise standing →

What the models said about ManageEngine Vulnerability Manager Plus

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

“The vulnerability intelligence falls behind security-first platforms, with risk scoring lacking threat intelligence depth” Claude Haiku 4.5 · negative prompt · soft negative
“noted for their automated patch deployment, but they also do not offer patchless protection” Mistral Small · negative prompt · soft negative
“Limited native remediation options compared to others.” Mistral Small · comparative prompt · soft negative
“the most practical recommendation from the results because it is repeatedly positioned as suitable for budget-conscious teams” Perplexity Sonar · budget prompt · first choice
“I would recommend ManageEngine Vulnerability Manager Plus ... is the safest fit for a mid-sized B2B company” Perplexity Sonar · paraphrase prompt · first choice
“Top Recommendation: ManageEngine Vulnerability Manager Plus” GLM 4.7 FlashX · paraphrase prompt · first choice

What the models said about Tenable Nessus

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

“Avoid trying to scrape out a "Free" version of Nessus; Tenable discontinued its unlimited community scanner” Qwen 3.7 Flash · budget prompt · hard negative
“Avoid Standalone "Point-in-Time" Scanners for Enterprise VM ... Why to avoid them for enterprise VM” Gemini 3.5 Flash · negative prompt · hard negative
“scanners like older Nessus/OpenVAS versions criticized for inaccurate Windows scans or signature mismatches” Grok 4.1 Fast · negative prompt · soft negative
“the best starting point is Nessus Essentials (free) + a free vulnerability feed for on‑prem scanning” GLM 4.7 FlashX · budget prompt · first choice
“I'd recommend Tenable Nessus Professional as the starting point” Grok 4.1 Fast · paraphrase prompt · first choice
“useful for getting started with proven scanning technology, with the limitation of scan limits and lack of centralized reporting” Muse Glimmer 30B · budget 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.