Network detection and response · October 2026 Edition
Paessler PRTG Network Monitor vs Corelight Open NDR
Zero of fourteen models named Paessler PRTG Network Monitor first on the direct prompt; zero named Corelight Open NDR. Paessler PRTG Network Monitor was named by nine of the fourteen models and Corelight Open NDR by fourteen and Paessler PRTG Network Monitor carries 10 labels and Corelight Open NDR 40, so the shares are not directly comparable.
Named in two categories this edition.
Named in one category this edition.
First-choice share5%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate10%22%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#4A position in a field of 9; printed, not drawn.
Labels1040A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Paessler PRTG Network Monitor reading right to left. Rank and label count are printed, not drawn.Vectra AI was named alongside these two in nine of the fourteen direct answers. ManageEngine NetFlow Analyzer vs Paessler PRTG Network Monitor · 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.
Paessler PRTG Network MonitorFirst choices, of fourteen modelsCorelight Open NDR
Direct001 against Corelight Open NDR
Paraphrase30
Comparative00
Budget-constrained023 against Corelight Open NDR
Scale-constrained001 against Corelight Open NDR
Negative011 against Paessler PRTG Network Monitor · 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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Paessler PRTG Network Monitor 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 | | | |
Paessler PRTG Network Monitor Corelight Open NDR first choice named as an alternative argued againstblank: not namedEach cell is one answer, Paessler PRTG Network Monitor on the left and Corelight Open NDR on the right.The direct prompt
The plain question, one answer per model, grouped by where Paessler PRTG Network Monitor and Corelight Open NDR stood in it.
Neither was the first choice, one was named
5 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniExtraHop RevealX, Vectra AI alternatives: Corelight Open NDR, Darktrace
Perplexity SonarVectra AI alternatives: Corelight Open NDR, Darktrace, ExtraHop Reveal
GLM 4.7 FlashXDarktrace alternatives: Cisco Secure Network Analytics, Corelight Open NDR, ExtraHop Reveal, FortiNDR, Vectra AI
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 named
9 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Darktrace alternatives: ExtraHop Reveal, Vectra AI
Gemini 3.5 FlashVectra AI Platform alternatives: Darktrace, ExtraHop Reveal, Stellar Cyber Open XDR
Grok 4.1 FastVectra AI alternatives: Darktrace, ExtraHop (Reveal(x) or now part of Blend)
Mistral SmallExtraHop Reveal, Vectra AI Platform alternatives: Darktrace
DeepSeek V4 FlashVectra AI alternatives: CrowdStrike Falcon Insight, ExtraHop Reveal
Llama 4 MaverickGatewatcher AIonIQ alternatives: LMNTRIX
Qwen 3.7 FlashExtraHop RevealX alternatives: Cisco Secure Network Analytics, Darktrace, Vectra Cognito
Kimi K2Vectra AI alternatives: Arista NDR, ExtraHop Reveal, Stamus Networks Clear NDR
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
Paessler PRTG Network Monitor leads by eight points.
Paessler PRTG Network Monitor11%#2 of 12Corelight Open NDR4%#4 of 12Mid-marketThe figures above
Paessler PRTG Network Monitor leads by two points.
Paessler PRTG Network Monitor5%#3 of 9Corelight Open NDR4%#4 of 9Enterprise
The order flips: Corelight Open NDR leads at enterprise.
Corelight Open NDR6%#4 of 7Paessler PRTG Network Monitor0%#– of 7What the models said about Paessler PRTG Network Monitor
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“basic PRTG setups... Do not rely on these for actual network defense.” Qwen 3.7 Flash · negative prompt · hard negative
“The Best All-Rounder: Paessler PRTG Network Monitor ... widely considered the gold standard for Small to Medium Businesses” Qwen 3.7 Flash · paraphrase 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 Paessler PRTG Network MonitorManageEngine NetFlow Analyzer vs Corelight Open NDRVectra AI vs Paessler PRTG Network MonitorVectra AI vs Corelight Open NDRPaessler PRTG Network Monitor vs ExtraHop RevealPaessler PRTG Network Monitor vs ExtraHop RevealXPaessler PRTG Network Monitor vs DarktraceCorelight 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.