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Network detection and response · November 2026 Edition

ExtraHop Reveal vs Stellar Cyber Open XDR

Three of fourteen models named ExtraHop Reveal first on the direct prompt; zero named Stellar Cyber Open XDR. ExtraHop Reveal was named by ten of the fourteen models and Stellar Cyber Open XDR by twelve and ExtraHop Reveal carries 15 labels and Stellar Cyber Open XDR 18, so the shares are not directly comparable.

ExtraHop Reveal

accepted challenger

Named in one category this edition.

Stellar Cyber Open XDR

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 rate7%6%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#7A position in a field of 10; printed, not drawn.
Labels1518A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ExtraHop Reveal reading right to left. Rank and label count are printed, not drawn.Vectra AI Platform was named alongside these two in thirteen of the fourteen direct answers. Vectra AI Platform vs ExtraHop Reveal · Vectra AI Platform vs Stellar Cyber Open XDR · ExtraHop Reveal vs ManageEngine NetFlow Analyzer

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 network detection and response page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ExtraHop RevealFirst choices, of fourteen modelsStellar Cyber Open XDR
Direct30
Paraphrase00
Comparative101 against Stellar Cyber Open XDR
Budget-constrained011 against ExtraHop Reveal
Scale-constrained00
Negative10
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.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where ExtraHop Reveal and Stellar Cyber Open XDR 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
ExtraHop Reveal Stellar Cyber Open XDR first choice named as an alternative argued againstblank: not namedEach cell is one answer, ExtraHop Reveal on the left and Stellar Cyber Open XDR on the right.

The direct prompt

The plain question, one answer per model, grouped by where ExtraHop Reveal and Stellar Cyber Open XDR stood in it.

ExtraHop Reveal first, Stellar Cyber Open XDR an alternative

3 of 14 modelsStellar Cyber Open XDR was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashExtraHop Reveal, Vectra AI Platform alternatives: Darktrace, Fortinet FortiNDR, Sophos NDR, Stellar Cyber Open XDR
Llama 4 MaverickExtraHop Reveal, Vectra AI Platform alternatives: Corelight Open NDR, Gatewatcher AIonIQ, ManageEngine NetFlow Analyzer
MiniMax M2.5ExtraHop Reveal alternatives: Arista NDR, Darktrace

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniVectra AI Platform alternatives: Corelight Open NDR, Darktrace, ExtraHop Reveal
Grok 4.20Vectra AI Platform alternatives: Corelight Open NDR, Darktrace, ExtraHop RevealX, Stellar Cyber Open XDR
DeepSeek V4 FlashVectra AI Platform alternatives: Darktrace, ExtraHop Reveal
Qwen 3.7 FlashVectra AI Platform alternatives: Corelight Open NDR, ExtraHop Reveal
Kimi K2Vectra AI Platform alternatives: ExtraHop Reveal, Trend Vision One, WatchGuard ThreatSync+ NDR
GLM 4.7 FlashXDarktrace alternatives: Arista NDR, Cisco Secure Network Analytics, ExtraHop Reveal, Vectra AI Platform

Neither was named

5 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Vectra AI Platform alternatives: Darktrace, ExtraHop RevealX, Muninn
Perplexity SonarVectra AI Platform alternatives: Cisco Secure Network Analytics, Corelight Open NDR, Darktrace, ExtraHop RevealX, FortiNDR
Mistral SmallTrend Vision One, Vectra AI Platform alternatives: Darktrace, ExtraHop RevealX
GPT-6 LunaVectra AI Platform alternatives: Darktrace, ExtraHop RevealX
Muse Glimmer 30BManageEngine NetFlow Analyzer alternatives: Vectra AI Platform

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
Stellar Cyber Open XDR leads by seven points.
Stellar Cyber Open XDR7%#3 of 15
ExtraHop Reveal0%#12 of 15
The full small business standing →
Mid-marketThe figures above
The order flips: ExtraHop Reveal leads at mid-market.
ExtraHop Reveal6%#2 of 10
Stellar Cyber Open XDR2%#7 of 10
The full mid-market standing →
Enterprise
ExtraHop Reveal leads by two points.
ExtraHop Reveal4%#6 of 8
Stellar Cyber Open XDR2%#– of 8
The full enterprise standing →

What the models said about ExtraHop Reveal

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

“over pricier alternatives like Vectra AI, Darktrace, ExtraHop Reveal(x), or Corelight” Grok 4.20 · budget prompt · soft negative
“For mid-market specifically, ExtraHop Reveal(x) and Arista Awake Security are frequently recommended due to their balance of high-signal detections” MiniMax M2.5 · direct prompt · first choice
“Vectra AI or ExtraHop Reveal(x) | Provides the best threat detection accuracy, low false positives, and deep investigation capabilities.” Gemini 3.5 Flash · direct prompt · first choice
“likely to be either ExtraHop Reveal(x) or Vectra AI, as they are considered the "sweet spots" for mid-market companies” Llama 4 Maverick · direct prompt · first choice

What the models said about Stellar Cyber Open XDR

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

“Evaluate Stellar Cyber, though it is better viewed as Open XDR than pure NDR.” Perplexity Sonar · comparative prompt · soft negative
“Stellar Cyber is recommended for enterprises with limited staff and budget” Claude Haiku 4.5 · budget prompt · first choice
“Stellar Cyber Open XDR is the most commonly recommended budget-conscious commercial platform for SMBs 1-50 employees.” 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.