Network detection and response · October 2026 Edition
Vectra AI vs Corelight Open NDR
Seven of fourteen models named Vectra AI first on the direct prompt; zero named Corelight Open NDR. Vectra AI was named by thirteen of the fourteen models and Corelight Open NDR by fourteen and Vectra AI carries 36 labels and Corelight Open NDR 40, so the shares are not directly comparable.
Named in five categories this edition.
Named in one category this edition.
First-choice share18%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%22%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 9; printed, not drawn.
Labels3640A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Vectra AI reading right to left. Rank and label count are printed, not drawn.ExtraHop Reveal was named alongside these two in eight of the fourteen direct answers. ManageEngine NetFlow Analyzer vs Vectra AI · ManageEngine NetFlow Analyzer vs Corelight Open NDR · Vectra AI vs Paessler PRTG Network Monitor
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.
Vectra AIFirst choices, of fourteen modelsCorelight Open NDR
Direct701 against Corelight Open NDR
Paraphrase10
Comparative60
Budget-constrained024 against Vectra AI · 3 against Corelight Open NDR
Scale-constrained201 against Corelight Open NDR
Negative111 against Vectra AI · 4 against Corelight Open NDR
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, Vectra AI and Corelight Open NDR were named in the same answer eighty-three times, of the 149 answers naming Vectra AI and the 105 naming Corelight Open NDR. In those answers Corelight Open NDR took the first choice five times and Vectra AI twenty-five.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Vectra AI and Corelight Open NDR 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 4.1 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 | | |
Vectra AI Corelight Open NDR first choice named as an alternative argued againstblank: not namedEach cell is one answer, Vectra AI on the left and Corelight Open NDR on the right.The direct prompt
The plain question, one answer per model, grouped by where Vectra AI and Corelight Open NDR stood in it.
Vectra AI first, Corelight Open NDR an alternative
7 of 14 modelsCorelight Open NDR was named in the answer but not as the choice, or not at all.GPT-5.4 miniExtraHop RevealX, Vectra AI alternatives: Corelight Open NDR, Darktrace
Perplexity SonarVectra AI alternatives: Corelight Open NDR, Darktrace, ExtraHop Reveal
Grok 4.1 FastVectra AI alternatives: Darktrace, ExtraHop (Reveal(x) or now part of Blend)
DeepSeek V4 FlashVectra AI alternatives: CrowdStrike Falcon Insight, ExtraHop Reveal
Kimi K2Vectra AI alternatives: Arista NDR, ExtraHop Reveal, Stamus Networks Clear NDR
MiniMax M2.5ExtraHop Reveal, Vectra AI alternatives: Arista Awake Security, Corelight Open NDR
GPT-6 LunaVectra AI alternatives: Corelight Open NDR, ExtraHop RevealX
Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.Claude Haiku 4.5Darktrace alternatives: ExtraHop Reveal, Vectra AI
GLM 4.7 FlashXDarktrace alternatives: Cisco Secure Network Analytics, Corelight Open NDR, ExtraHop Reveal, FortiNDR, Vectra AI
Neither was named
5 of 14 modelsThe answer made no first choice from these two in this category.Gemini 3.5 FlashVectra AI Platform alternatives: Darktrace, ExtraHop Reveal, Stellar Cyber Open XDR
Mistral SmallExtraHop Reveal, Vectra AI Platform alternatives: Darktrace
Llama 4 MaverickGatewatcher AIonIQ alternatives: LMNTRIX
Qwen 3.7 FlashExtraHop RevealX alternatives: Cisco Secure Network Analytics, Darktrace, Vectra Cognito
Muse Glimmer 30BGatewatcher AIonIQ alternatives: Alert Logic Cloud Insight, CrowdStrike Falcon Insight, SentinelOne Singularity
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
Corelight Open NDR leads by two points.
Corelight Open NDR4%#4 of 12Vectra AI2%#8 of 12Mid-marketThe figures above
The order flips: Vectra AI leads at mid-market.
Vectra AI18%#2 of 9Corelight Open NDR4%#4 of 9Enterprise
Vectra AI leads by eleven points.
Vectra AI17%#1 of 7Corelight Open NDR6%#4 of 7What the models said about Vectra AI
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Options to Avoid on a Tight Budget - Darktrace, Vectra AI, ExtraHop” DeepSeek V4 Flash · budget prompt · hard negative
“No subscription fees, unlike commercial options like Vectra AI, Darktrace, or ExtraHop ($50K–$500K+/year)” Grok 4.1 Fast · budget prompt · soft negative
“High-end NDR platforms (like Darktrace or Vectra AI) are notoriously expensive, complex” Gemini 3.5 Flash · budget prompt · soft negative
“If your primary concern is catching hackers, insider threats, and lateral movement across your network, Vectra AI is highly recommended.” Gemini 3.5 Flash · paraphrase prompt · first choice
“First choice: Vectra AI – It gives you the best "bang for the buck" regarding signal quality vs. analyst workload” DeepSeek V4 Flash · direct prompt · first choice
“Very strong on signal-to-noise ratio and hybrid/cloud coverage; integrates exceptionally well with existing EDRs.” Gemini 3.5 Flash · scale prompt · first choice
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.
“Corelight — commercial Zeek sensors start around $150K+/year” DeepSeek V4 Flash · budget prompt · hard negative
“For open-telemetry platforms such as Corelight buyers are warned about "Cost growth tied to throughput, sensor count, data retention, or site expansion"” Muse Glimmer 30B · negative prompt · soft negative
“It can be powerful, but it may still require more in-house skill and infrastructure than a true budget buyer wants.” GPT-5.4 mini · budget prompt · soft negative
“vendors (like Corelight) that allow you to deploy unlimited virtual sensors and charge based on enterprise-wide licensing rather than gigabyte-level "taxes"” Gemini 3.5 Flash · negative prompt · first choice
“SMBs can leverage Corelight or Awake Security for cost-effective monitoring” Claude Haiku 4.5 · budget prompt · first choice
“Corelight (based on Zeek) or open-source Zeek are the best choices” Mistral Small · budget prompt · first choice
Also compared
ManageEngine NetFlow Analyzer vs Vectra AIManageEngine NetFlow Analyzer vs Corelight Open NDRVectra AI vs Paessler PRTG Network MonitorVectra AI vs ExtraHop RevealVectra AI vs ExtraHop RevealXVectra AI vs DarktracePaessler PRTG Network Monitor vs Corelight Open NDRCorelight Open NDR vs ExtraHop RevealCorelight Open NDR vs ExtraHop RevealXCorelight Open NDR vs DarktraceAll twenty-one 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.