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Network detection and response · November 2026 Edition

Corelight Open NDR vs Darktrace

Zero of fourteen models named Corelight Open NDR first on the direct prompt; one named Darktrace. Corelight Open NDR was named by twelve of the fourteen models and Darktrace by fourteen and Corelight Open NDR carries 33 labels and Darktrace 47, so the shares are not directly comparable.

Corelight Open NDR

accepted challenger

Named in one category this edition.

Darktrace

criticized challenger

Named in eleven categories this edition.

First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate12%38%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#8A position in a field of 10; printed, not drawn.
Labels3347A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Corelight Open NDR 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 Corelight Open NDR · Vectra AI Platform vs Darktrace · ExtraHop Reveal vs Corelight Open NDR

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.
Corelight Open NDRFirst choices, of fourteen modelsDarktrace
Direct011 against Corelight Open NDR · 2 against Darktrace
Paraphrase00
Comparative05
Budget-constrained101 against Corelight Open NDR · 4 against Darktrace
Scale-constrained001 against Darktrace
Negative002 against Corelight Open NDR · 11 against Darktrace
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, Corelight Open NDR and Darktrace were named in the same answer ninety-one times, of the 111 answers naming Corelight Open NDR and the 236 naming Darktrace. In those answers Darktrace took the first choice eleven times and Corelight Open NDR six.

Every model, every framing

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

The direct prompt

The plain question, one answer per model, grouped by where Corelight Open NDR and Darktrace stood in it.

Darktrace first, Corelight Open NDR not the choice

1 of 14 modelsCorelight Open NDR was named in the answer but not as the choice, or not at all.
GLM 4.7 FlashXDarktrace alternatives: Arista NDR, Cisco Secure Network Analytics, ExtraHop Reveal, Vectra AI Platform

Neither was the first choice, one was named

11 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
GPT-5.4 miniVectra AI Platform alternatives: Corelight Open NDR, Darktrace, ExtraHop Reveal
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
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
MiniMax M2.5ExtraHop Reveal alternatives: Arista NDR, Darktrace
GPT-6 LunaVectra AI Platform alternatives: Darktrace, ExtraHop RevealX

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Kimi K2Vectra AI Platform alternatives: ExtraHop Reveal, Trend Vision One, WatchGuard ThreatSync+ NDR
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
Level: the same share of first choices.
Corelight Open NDR0%#11 of 15
Darktrace0%#15 of 15
The full small business standing →
Mid-marketThe figures above
Level: the same share of first choices.
Corelight Open NDR2%#4 of 10
Darktrace2%#8 of 10
The full mid-market standing →
Enterprise
Darktrace leads by two points.
Darktrace6%#4 of 8
Corelight Open NDR4%#5 of 8
The full enterprise standing →

What the models said about Corelight Open NDR

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

“One reviewer cited limits on custom alerting and potentially significant costs for some cloud monitoring setups.” GPT-6 Luna · negative prompt · soft negative
“over pricier alternatives like Vectra AI, Darktrace, ExtraHop Reveal(x), or Corelight” Grok 4.20 · budget prompt · soft negative
“Originally IDS-focused; evaluate if you need full response capabilities” Kimi K2 · direct prompt · soft negative
“The best NDR platform for a company with a limited budget is Corelight or Cisco Secure Network Analytics.” Llama 4 Maverick · budget prompt · first choice
“Evidence- and hunting-oriented, built around Zeek network data... Threat-hunting teams that value detailed investigation, customization, and data portability.” GPT-6 Luna · comparative prompt · alternative
“If budget = $0 for software, build on Zeek/Suricata-based open NDR such as Corelight Open NDR, accepting higher operational cost.” Muse Glimmer 30B · budget prompt · alternative

What the models said about Darktrace

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

“these enterprise-level NDR platforms should generally be avoided or approached with caution if you're a small business” MiniMax M2.5 · negative prompt · hard negative
“What to Avoid on a Tight Budget ... Darktrace — premium pricing, often better for large enterprises” DeepSeek V4 Flash · budget prompt · hard negative
“Darktrace is the platform most frequently cited as one to avoid or approach with caution” Mistral Small · negative prompt · hard negative
“Market leaders tend to be ExtraHop, Vectra AI, and Darktrace in pure-play NDR” Grok 4.20 · comparative prompt · first choice
“Choose Darktrace for self-learning AI with autonomous response across multi-surface.” Muse Glimmer 30B · comparative prompt · first choice
“Darktrace | Leader | Self-learning AI that autonomously models normal behavior” 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.