# SIEM platforms for enterprise buyers: what AI models recommend, September 2026

IT AI Recommendation Index, September 2026 Edition. Asked as "SIEM platform" and as "security information and event management tool", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://it-ai-index.com/security/siem-platforms/enterprise/

**Standing:** Microsoft Sentinel leads with 30% of first choices; verdict contested. 47 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Microsoft Sentinel | 30% | 26% | 54 |
| 2 | Splunk Enterprise Security | 28% | 27% | 45 |
| 3 | Palo Alto Networks Cortex XSIAM | 15% | 6% | 31 |
| 4 | Rapid7 InsightIDR | 11% | 6% | 17 |
| 5 | Google Security Operations | 6% | 4% | 25 |
| 6 | Exabeam | 2% | 4% | 28 |
| 7 | IBM QRadar | 2% | 35% | 43 |
| 8 | Elastic Security | 0% | 19% | 26 |
| 9 | CrowdStrike Falcon Next-Gen SIEM | 0% | 0% | 11 |
| 10 | Securonix | 0% | 26% | 19 |
| 11 | Splunk | 0% | 77% | 13 |
| 12 | LogRhythm | 0% | 64% | 14 |

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Microsoft Sentinel, Splunk Enterprise Security; alternatives Google Security Operations
- Gemini 3.5 Flash: Microsoft Sentinel; alternatives CrowdStrike Falcon Next-Gen SIEM, Google Security Operations, Palo Alto Networks Cortex XSIAM, Splunk
- Perplexity Sonar: Microsoft Sentinel, Splunk Enterprise Security; alternatives Exabeam, IBM QRadar, Securonix
- Grok 4.1 Fast: Microsoft Sentinel, Splunk Enterprise Security; alternatives CrowdStrike Falcon LogScale, Elastic Security, Google Security Operations, IBM QRadar
- Mistral Small: Palo Alto Networks Cortex XSIAM, Splunk Enterprise Security; alternatives CrowdStrike Falcon Next-Gen SIEM, Rapid7 InsightIDR
- DeepSeek V4 Flash: Microsoft Sentinel; alternatives CrowdStrike Falcon Next-Gen SIEM, IBM QRadar, Palo Alto Networks Cortex XSIAM, Splunk Enterprise Security
- Llama 4 Maverick: Palo Alto Networks Cortex XSIAM; alternatives CrowdStrike Falcon Next-Gen SIEM, Rapid7 InsightIDR, Splunk Enterprise Security
- Qwen 3.7 Flash: Microsoft Sentinel, Splunk Enterprise Security; alternatives Exabeam, IBM QRadar, Wazuh
- Kimi K2: Splunk Enterprise Security; alternatives Exabeam, IBM QRadar, Microsoft Sentinel, Palo Alto Networks Cortex XSIAM
- GLM 4.7 FlashX: Splunk Enterprise Security; alternatives Exabeam, IBM QRadar, ManageEngine Log360, Microsoft Sentinel
- MiniMax M2.5: Microsoft Sentinel; alternatives Elastic Security, Exabeam, IBM QRadar, Securonix

## Sources the answers cite

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

- underdefense.com: 47 answers, 61 citations
- paloaltonetworks.com: 29 answers, 29 citations
- gartner.com: 21 answers, 26 citations
- solutionsreview.com: 18 answers, 28 citations
- manageengine.com: 17 answers, 19 citations
- splunk.com: 17 answers, 19 citations
- expertinsights.com: 17 answers, 17 citations
- exabeam.com: 16 answers, 22 citations

Pages named in the most answers:

- https://underdefense.com/blog/siem-solutions-comparison (45 answers)
- https://paloaltonetworks.com/cyberpedia/siem-tools-comparison (29 answers)
- https://expertinsights.com/security-operations/the-top-siem-solutions (17 answers)
- https://gartner.com/reviews/market/security-information-event-management (16 answers)
- https://puppygraph.com/learn/enterprise-siem-tools (16 answers)
- https://manageengine.com/log-management/top-siem-tools.html (14 answers)
- https://solutionsreview.com/security-information-event-management/whats-changed-2024-gartner-magic-quadrant-for-security-information-and-event-management-siem (14 answers)
- https://exabeam.com/explainers/siem-tools/siem-solutions (13 answers)
- https://blazeguard.io/top-20-siem-solutions-for-enterprise-in-2026 (12 answers)
- https://cyberinfos.in/top-10-best-siem-tools-2026 (11 answers)

## Warned against

- IBM QRadar: 15 of 43 labels negative. "Critical warning: IBM sold QRadar's SaaS business to Palo Alto Networks... reached end-of-life in April 2026" (Kimi K2, negative prompt)
- Microsoft Sentinel: 14 of 54 labels negative. "Avoid if you need predictability... Microsoft Sentinel pay-as-you-go) can become unpredictable" (MiniMax M2.5, budget prompt)
- Splunk Enterprise Security: 12 of 45 labels negative. "ingest-based licensing is repeatedly called out as a common source of cost overruns, and it requires dedicated expertise to run well" (Perplexity Sonar, negative prompt)
- LogRhythm: 9 of 14 labels negative. "Platforms to Strongly Avoid... LogRhythm: Frequently called out in user forums as lacking community support, documentation, and scalability" (Grok 4.1 Fast, 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.