Network detection and response · November 2026 Edition
ExtraHop RevealX vs Stellar Cyber Open XDR
Zero of fourteen models named ExtraHop RevealX first on the direct prompt; zero named Stellar Cyber Open XDR. ExtraHop RevealX was named by fourteen of the fourteen models and Stellar Cyber Open XDR by twelve and ExtraHop RevealX carries 31 labels and Stellar Cyber Open XDR 18, so the shares are not directly comparable.
Named in one category this edition.
Named in four categories this edition.
First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate23%6%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 10; printed, not drawn.
Labels3118A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ExtraHop RevealX 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 RevealX · Vectra AI Platform vs Stellar Cyber Open XDR · ExtraHop Reveal vs ExtraHop RevealX
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 RevealXFirst choices, of fourteen modelsStellar Cyber Open XDR
Direct00
Paraphrase00
Comparative301 against Stellar Cyber Open XDR
Budget-constrained013 against ExtraHop RevealX
Scale-constrained10
Negative004 against ExtraHop RevealX
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 RevealX and Stellar Cyber Open XDR stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| 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 RevealX Stellar Cyber Open XDR first choice named as an alternative argued againstblank: not namedEach cell is one answer, ExtraHop RevealX 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 RevealX and Stellar Cyber Open XDR stood in it.
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.Claude Haiku 4.5Vectra AI Platform alternatives: Darktrace, ExtraHop RevealX, Muninn
Gemini 3.5 FlashExtraHop Reveal, Vectra AI Platform alternatives: Darktrace, Fortinet FortiNDR, Sophos NDR, Stellar Cyber Open XDR
Perplexity SonarVectra AI Platform alternatives: Cisco Secure Network Analytics, Corelight Open NDR, Darktrace, ExtraHop RevealX, FortiNDR
Grok 4.20Vectra AI Platform alternatives: Corelight Open NDR, Darktrace, ExtraHop RevealX, Stellar Cyber Open XDR
Mistral SmallTrend Vision One, Vectra AI Platform alternatives: Darktrace, ExtraHop RevealX
GPT-6 LunaVectra AI Platform alternatives: Darktrace, ExtraHop RevealX
Neither was named
8 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniVectra AI Platform alternatives: Corelight Open NDR, Darktrace, ExtraHop Reveal
DeepSeek V4 FlashVectra AI Platform alternatives: Darktrace, ExtraHop Reveal
Llama 4 MaverickExtraHop Reveal, Vectra AI Platform alternatives: Corelight Open NDR, Gatewatcher AIonIQ, ManageEngine NetFlow Analyzer
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
MiniMax M2.5ExtraHop Reveal alternatives: Arista NDR, Darktrace
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 15ExtraHop RevealX0%#14 of 15Mid-marketThe figures above
Level: the same share of first choices.
ExtraHop RevealX2%#6 of 10Stellar Cyber Open XDR2%#7 of 10Enterprise
The order flips: ExtraHop RevealX leads at enterprise.
ExtraHop RevealX12%#2 of 8Stellar Cyber Open XDR2%#– of 8What the models said about ExtraHop RevealX
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Noted for: Being more of a network monitoring company than cybersecurity-focused” MiniMax M2.5 · negative prompt · hard negative
“ExtraHop — enterprise-grade pricing” DeepSeek V4 Flash · budget prompt · hard negative
“Premium tools such as Darktrace or ExtraHop may be powerful, but calculate sensor, storage, packet-processing, integration, and analyst costs over several years” Perplexity Sonar · negative prompt · soft negative
“Consistently ranked as a leader in G2's Momentum Grid for NDR, ExtraHop is praised for high satisfaction and momentum scores.” Mistral Small · comparative prompt · first choice
“For deepest network forensics: Choose ExtraHop or NetWitness.” Perplexity Sonar · comparative prompt · first choice
“ExtraHop — Excellent visibility, strong ML, easy UI.” Grok 4.20 · scale 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
Vectra AI Platform vs ExtraHop RevealXVectra AI Platform vs Stellar Cyber Open XDRExtraHop Reveal vs ExtraHop RevealXExtraHop Reveal vs Stellar Cyber Open XDRManageEngine NetFlow Analyzer vs ExtraHop RevealXManageEngine NetFlow Analyzer vs Stellar Cyber Open XDRCorelight Open NDR vs ExtraHop RevealXCorelight Open NDR vs Stellar Cyber Open XDRCisco Secure Network Analytics vs ExtraHop RevealXCisco Secure Network Analytics vs Stellar Cyber Open XDRExtraHop RevealX vs DarktraceStellar Cyber Open XDR vs DarktraceAll twenty-eight head-to-head pages and the full NDR standing
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.