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Infrastructure monitoring · October 2026 Edition

Zabbix vs Paessler PRTG

Zero of fourteen models named Zabbix first on the direct prompt; one named Paessler PRTG. Zabbix was named by fourteen of the fourteen models and Paessler PRTG by ten and Zabbix carries 46 labels and Paessler PRTG 23, so the shares are not directly comparable.

Zabbix

accepted challenger

Named in eight categories this edition.

Paessler PRTG

accepted challenger

Named in four categories this edition.

First-choice share20%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate22%13%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#7A position in a field of 13; printed, not drawn.
Labels4623A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Zabbix reading right to left. Rank and label count are printed, not drawn.New Relic was named alongside these two in eight of the fourteen direct answers. Datadog vs Zabbix · Datadog vs Paessler PRTG · Zabbix vs New Relic

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 infrastructure monitoring page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ZabbixFirst choices, of fourteen modelsPaessler PRTG
Direct011 against Zabbix
Paraphrase001 against Zabbix
Comparative00
Budget-constrained1011 against Paessler PRTG
Scale-constrained001 against Zabbix
Negative107 against Zabbix · 2 against Paessler PRTG
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 Zabbix and Paessler PRTG stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Zabbix Paessler PRTG first choice named as an alternative argued againstblank: not namedEach cell is one answer, Zabbix on the left and Paessler PRTG on the right.

The direct prompt

The plain question, one answer per model, grouped by where Zabbix and Paessler PRTG stood in it.

Paessler PRTG first, Zabbix an alternative

1 of 14 modelsZabbix was named in the answer but not as the choice, or not at all.
Perplexity SonarPaessler PRTG alternatives: Datadog, ManageEngine OpManager, New Relic, Site24x7, Zabbix

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Qwen 3.7 FlashDatadog alternatives: Grafana, Middleware.io, Paessler PRTG, Prometheus + Grafana, Zabbix
Kimi K2LogicMonitor alternatives: Better Stack, New Relic, Paessler PRTG, Site24x7
Muse Glimmer 30BDatadog alternatives: LogicMonitor, ManageEngine OpManager, Paessler PRTG, Prometheus + Grafana, Site24x7, Zabbix

Neither was named

10 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5no first choice
GPT-5.4 miniDatadog alternatives: Dynatrace, Grafana, New Relic
Gemini 3.5 FlashNew Relic alternatives: Better Stack, Grafana, LogicMonitor, Site24x7
Grok 4.1 FastNew Relic alternatives: Datadog, ManageEngine OpManager, Site24x7
Mistral SmallManageEngine OpManager, Site24x7 alternatives: Netdata
DeepSeek V4 FlashSite24x7 alternatives: Grafana Stack, ManageEngine OpManager, New Relic
Llama 4 Maverickno first choice
GLM 4.7 FlashXDatadog, Grafana alternatives: Dynatrace, ManageEngine OpManager, New Relic
MiniMax M2.5Datadog alternatives: ManageEngine OpManager, Prometheus + Grafana, Sematext
GPT-6 LunaDatadog alternatives: Grafana, New Relic

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.
Zabbix14%#3 of 14
Paessler PRTG14%#2 of 14
The full small business standing →
Mid-marketThe figures above
Zabbix leads by sixteen points.
Zabbix20%#2 of 13
Paessler PRTG4%#7 of 13
The full mid-market standing →
Enterprise
Zabbix leads by four points.
Zabbix4%#6 of 14
Paessler PRTG0%#13 of 14
The full enterprise standing →

What the models said about Zabbix

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

“Avoid Nagios and raw Zabbix if you value speed and ease-of-use over granular control.” Qwen 3.7 Flash · negative prompt · hard negative
“Avoid Zabbix if you need modern UI and simplicity, as its user interface feels dated.” Claude Haiku 4.5 · negative prompt · hard negative
“Zabbix – best all-in-one for traditional infrastructure ... Need one install with UI, alerting and auto-discovery and minimal ops overhead → Zabbix.” Muse Glimmer 30B · budget prompt · first choice

What the models said about Paessler PRTG

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

“Paessler PRTG is not well-suited for cloud-native or container-heavy environments.” Claude Haiku 4.5 · negative prompt · hard negative
“Limited to 100 sensors in the free tier ... paid tier can get expensive ... the UI feels dated” DeepSeek V4 Flash · negative prompt · soft negative
“user-friendly but limits scale without buying (~$1,750 for 500 sensors)” Grok 4.1 Fast · budget prompt · soft negative
“PRTG - If you want a more established tool with a free version and willing to scale up later” MiniMax M2.5 · budget prompt · first choice
“the best *default* choice is usually PRTG Network Monitor” Perplexity Sonar · direct prompt · first choice
“Paessler PRTG is a strong alternative because it offers a free tier up to 100 sensors” Perplexity Sonar · 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.