# Infrastructure monitoring for small business buyers: what AI models recommend, September 2026

IT AI Recommendation Index, September 2026 Edition. Asked as "infrastructure monitoring tool" and as "server and cloud infrastructure monitoring solution", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://it-ai-index.com/operations/infrastructure-monitoring/smb/

**Standing:** Site24x7 leads with 22% of first choices; verdict contested. 50 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Site24x7 | 22% | 0% | 34 |
| 2 | Zabbix | 14% | 22% | 49 |
| 3 | Netdata | 10% | 0% | 35 |
| 4 | Better Stack | 10% | 0% | 12 |
| 5 | Datadog | 10% | 65% | 46 |
| 6 | Grafana | 6% | 0% | 23 |
| 7 | Paessler PRTG | 6% | 7% | 29 |
| 8 | Prometheus + Grafana | 4% | 15% | 26 |
| 9 | New Relic | 4% | 32% | 41 |
| 10 | Prometheus | 4% | 20% | 10 |
| 11 | Nagios | 0% | 86% | 14 |
| 12 | Dynatrace | 0% | 79% | 19 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Better Stack; alternatives Netdata, New Relic, Prometheus + Grafana
- GPT-5.4 mini: Datadog, Grafana; alternatives New Relic, Prometheus, Uptime Kuma
- Gemini 3.5 Flash: Better Stack; alternatives Netdata, New Relic, Site24x7
- Perplexity Sonar: Site24x7; alternatives Paessler PRTG, Zabbix
- Grok 4.1 Fast: Netdata, Prometheus + Grafana; alternatives New Relic, Paessler PRTG, Site24x7, Zabbix
- Mistral Small: Netdata; alternatives Middleware.io, Zabbix
- DeepSeek V4 Flash: Uptime Kuma; alternatives Checkmk, Paessler PRTG, Site24x7, Zabbix
- Llama 4 Maverick: Netdata; alternatives Site24x7
- Qwen 3.7 Flash: Datadog; alternatives Better Stack, Checkmk, Grafana, Zabbix
- Kimi K2: Paessler PRTG, Site24x7; alternatives Zabbix
- GLM 4.7 FlashX: Paessler PRTG, Site24x7; alternatives Middleware.io, Netdata, New Relic, Prometheus + Grafana
- MiniMax M2.5: MyMonitor365, Site24x7; alternatives Prometheus + Grafana

## Sources the answers cite

61 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- gartner.com: 40 answers, 40 citations
- netdata.cloud: 39 answers, 41 citations
- middleware.io: 30 answers, 32 citations
- comparitech.com: 29 answers, 38 citations
- gartsolutions.com: 18 answers, 19 citations
- motadata.com: 17 answers, 22 citations
- newrelic.com: 16 answers, 19 citations
- instatus.com: 13 answers, 14 citations

Pages named in the most answers:

- https://gartner.com/reviews/market/infrastructure-monitoring-tools (40 answers)
- https://netdata.cloud/resources/best-infrastructure-monitoring-tools (39 answers)
- https://middleware.io/blog/infrastructure-monitoring-tools (30 answers)
- https://comparitech.com/net-admin/infrastructure-monitoring (27 answers)
- https://gartsolutions.com/best-it-infrastructure-monitoring-software (17 answers)
- https://motadata.com/blog/best-it-infrastructure-monitoring-tools (15 answers)
- https://newrelic.com/blog/infrastructure-monitoring/how-to-choose-the-best-infrastructure-monitoring-tools-2026-guide (13 answers)
- https://learn.g2.com/cloud-monitoring-tools (12 answers)
- https://comparitech.com/net-admin/network-server-application-mon-smbs (11 answers)
- https://signoz.io/comparisons/infrastructure-monitoring-tools (10 answers)

## Warned against

- Datadog: 30 of 46 labels negative. "If you do not have an engineer specifically tasked with monitoring and optimizing your cloud spending, you should avoid these platforms." (Gemini 3.5 Flash, negative prompt)
- Dynatrace: 15 of 19 labels negative. "Dynatrace is a major tool to be cautious about for small businesses... there is no cheap way to start with Dynatrace, as it is an enterprise investment" (Claude Haiku 4.5, negative prompt)
- Zabbix: 11 of 49 labels negative. "the fiddly open-source "project" tools (Nagios, Zabbix) if you don't have a specialist on staff" (DeepSeek V4 Flash, negative prompt)
- Nagios: 12 of 14 labels negative. "Nagios require configuring complex, manual text files to add a single server, and they feature clunky, outdated user interfaces." (Gemini 3.5 Flash, negative prompt)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, September 2026 Edition, it-ai-index.com.