Infrastructure monitoring · October 2026 Edition
ManageEngine OpManager vs Prometheus
One of fourteen models named ManageEngine OpManager first on the direct prompt; zero named Prometheus. ManageEngine OpManager was named by ten of the fourteen models and Prometheus by fourteen and ManageEngine OpManager carries 25 labels and Prometheus 31, so the shares are not directly comparable.
Named in seven categories this edition.
Named in seven categories this edition.
First-choice share8%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%32%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#8A position in a field of 13; printed, not drawn.
Labels2531A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, ManageEngine OpManager 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 ManageEngine OpManager · Datadog vs Prometheus · Zabbix vs ManageEngine OpManager
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.
ManageEngine OpManagerFirst choices, of fourteen modelsPrometheus
Direct101 against Prometheus
Paraphrase201 against Prometheus
Comparative00
Budget-constrained12
Scale-constrained00
Negative001 against ManageEngine OpManager · 8 against Prometheus
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 ManageEngine OpManager and Prometheus 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 | | | | |
ManageEngine OpManager Prometheus first choice named as an alternative argued againstblank: not namedEach cell is one answer, ManageEngine OpManager on the left and Prometheus on the right.The direct prompt
The plain question, one answer per model, grouped by where ManageEngine OpManager and Prometheus stood in it.
ManageEngine OpManager first, Prometheus not the choice
1 of 14 modelsPrometheus was named in the answer but not as the choice, or not at all.Mistral SmallManageEngine OpManager, Site24x7 alternatives: Netdata
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.Perplexity SonarPaessler PRTG alternatives: Datadog, ManageEngine OpManager, New Relic, Site24x7, Zabbix
Grok 4.1 FastNew Relic alternatives: Datadog, ManageEngine OpManager, Site24x7
DeepSeek V4 FlashSite24x7 alternatives: Grafana Stack, ManageEngine OpManager, New Relic
GLM 4.7 FlashXDatadog, Grafana alternatives: Dynatrace, ManageEngine OpManager, New Relic
MiniMax M2.5Datadog alternatives: ManageEngine OpManager, Prometheus + Grafana, Sematext
Muse Glimmer 30BDatadog alternatives: LogicMonitor, ManageEngine OpManager, Paessler PRTG, Prometheus + Grafana, Site24x7, Zabbix
Neither was named
7 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
Llama 4 Maverickno first choice
Qwen 3.7 FlashDatadog alternatives: Grafana, Middleware.io, Paessler PRTG, Prometheus + Grafana, Zabbix
Kimi K2LogicMonitor alternatives: Better Stack, New Relic, Paessler PRTG, Site24x7
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
Prometheus leads by two points.
Prometheus4%#9 of 14ManageEngine OpManager2%#11 of 14Mid-marketThe figures above
The order flips: ManageEngine OpManager leads at mid-market.
ManageEngine OpManager8%#4 of 13Prometheus4%#8 of 13Enterprise
ManageEngine OpManager leads by two points.
ManageEngine OpManager2%#7 of 14Prometheus0%#12 of 14What the models said about ManageEngine OpManager
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“A comprehensive monitoring tool that can monitor networks, servers, applications, and websites. It is suitable for mid-sized teams on a fixed budget” Llama 4 Maverick · paraphrase prompt · first choice
“The best infrastructure monitoring tool for a company with a limited budget is ManageEngine OpManager” Llama 4 Maverick · budget prompt · first choice
What the models said about Prometheus
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 "turnkey" open source stacks when you lack the team to maintain upgrades... an unpatched Prometheus/Grafana deployment is a liability.” Muse Glimmer 30B · negative prompt · soft negative
“Open-source tools like vanilla Prometheus, while powerful, can require significant operational expertise to scale properly.” MiniMax M2.5 · negative prompt · soft negative
“its local storage isn’t clustered or replicated. Don’t treat one instance as a highly available, durable monitoring backend” GPT-6 Luna · negative prompt · soft negative
Also compared
Datadog vs ManageEngine OpManagerDatadog vs PrometheusZabbix vs ManageEngine OpManagerZabbix vs PrometheusNew Relic vs ManageEngine OpManagerNew Relic vs PrometheusManageEngine OpManager vs Site24x7ManageEngine OpManager vs GrafanaManageEngine OpManager vs Paessler PRTGSite24x7 vs PrometheusGrafana vs PrometheusPaessler PRTG vs PrometheusAll twenty-eight head-to-head pages and the full infra monitoring 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.