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

Gane Index, November 2026 Edition. Asked as "SIEM platform" and as "security information and event management tool", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/it/security/siem-platforms/2026-11/enterprise

**Standing:** Microsoft Sentinel leads with 47% of first choices; verdict clear leader. 53 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Microsoft Sentinel](https://www.gane.ai/index/it/vendors/microsoft-sentinel/index.md) | 47% | 7% | 71 |
| 2 | [Splunk Enterprise Security](https://www.gane.ai/index/it/vendors/splunk-enterprise-security/index.md) | 25% | 26% | 72 |
| 3 | [Exabeam](https://www.gane.ai/index/it/vendors/exabeam/index.md) | 8% | 11% | 35 |
| 4 | [IBM QRadar](https://www.gane.ai/index/it/vendors/ibm-qradar/index.md) | 6% | 25% | 52 |
| 5 | [Securonix Unified Defense SIEM](https://www.gane.ai/index/it/vendors/securonix-unified-defense-siem/index.md) | 4% | 19% | 27 |
| 6 | [ManageEngine Log360](https://www.gane.ai/index/it/vendors/manageengine-log360/index.md) | 4% | 12% | 17 |
| 7 | [Google Security Operations](https://www.gane.ai/index/it/vendors/google-security-operations/index.md) | 2% | 4% | 28 |
| 8 | [Palo Alto Networks Cortex XSIAM](https://www.gane.ai/index/it/vendors/palo-alto-networks-cortex-xsiam/index.md) | 2% | 5% | 21 |
| 9 | [Elastic Security](https://www.gane.ai/index/it/vendors/elastic-security/index.md) | 2% | 24% | 29 |
| 10 | [Rapid7 InsightIDR](https://www.gane.ai/index/it/vendors/rapid7-insightidr/index.md) | 2% | 12% | 17 |
| 11 | [CrowdStrike Falcon Next-Gen SIEM](https://www.gane.ai/index/it/vendors/crowdstrike-falcon-next-gen-siem/index.md) | 0% | 7% | 28 |
| 52 | [LogRhythm](https://www.gane.ai/index/it/vendors/logrhythm/index.md) | 0% | 33% | 18 |

Rank is by share of first choices among all 67 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

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

- Claude Haiku 4.5: Splunk Enterprise Security; alternatives IBM QRadar, Microsoft Sentinel, Palo Alto Networks Cortex XSIAM
- GPT-5.4 mini: Microsoft Sentinel; alternatives IBM QRadar, Splunk Enterprise Security
- Gemini 3.5 Flash: Microsoft Sentinel; alternatives Cisco Splunk Enterprise Security, CrowdStrike Falcon Next-Gen SIEM, Google Cloud SecOps, Palo Alto Networks Cortex XSIAM
- Perplexity Sonar: Microsoft Sentinel; alternatives CrowdStrike Falcon Next-Gen SIEM, Google Security Operations, ManageEngine Log360, Palo Alto Networks Cortex XSIAM
- Grok 4.20: Splunk Enterprise Security; alternatives CrowdStrike Falcon Next-Gen SIEM, Elastic Security, IBM QRadar, Microsoft Sentinel
- Mistral Small: Microsoft Sentinel; alternatives FortiSIEM, ManageEngine Log360, NetWitness, Splunk Enterprise Security
- DeepSeek V4 Flash: Microsoft Sentinel; alternatives CrowdStrike Falcon Next-Gen SIEM, IBM QRadar, Rapid7 InsightIDR, Splunk Enterprise Security
- Llama 4 Maverick: Microsoft Sentinel; alternatives FortiSIEM, ManageEngine Log360, NetWitness, Splunk Enterprise Security
- Qwen 3.7 Flash: Splunk Enterprise Security; alternatives CrowdStrike Falcon SIEM, Microsoft Sentinel, Palo Alto Networks Cortex XSIAM, Rapid7 InsightIDR
- Kimi K2: Microsoft Sentinel, Splunk Enterprise Security; alternatives CrowdStrike Falcon Next-Gen SIEM, Google Security Operations, IBM QRadar
- GLM 4.7 FlashX: Splunk Enterprise Security; alternatives Exabeam, IBM QRadar, LogRhythm SIEM, Microsoft Sentinel
- MiniMax M2.5: Exabeam, IBM QRadar; alternatives CrowdStrike Falcon Next-Gen SIEM, Microsoft Sentinel, Splunk Enterprise Security
- GPT-6 Luna: Microsoft Sentinel; alternatives CrowdStrike Falcon Next-Gen SIEM, Google Security Operations, Splunk Enterprise Security
- Muse Glimmer 30B: Microsoft Sentinel, Splunk Enterprise Security; alternatives Google Security Operations, IBM QRadar, NetWitness

## Sources the answers cite

78 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- exabeam.com: 32 answers, 46 citations
- securityboulevard.com: 26 answers, 32 citations
- techrepublic.com: 26 answers, 26 citations
- manageengine.com: 25 answers, 27 citations
- splunk.com: 22 answers, 29 citations
- senseon.io: 22 answers, 22 citations
- microsoft.com: 18 answers, 35 citations
- paloaltonetworks.com: 17 answers, 21 citations

Pages named in the most answers:

- https://techrepublic.com/article/siem-tools (26 answers)
- https://senseon.io/blog/5-best-siem-tools (22 answers)
- https://underdefense.com/blog/siem-solutions-comparison (16 answers)
- https://exabeam.com/explainers/siem-tools/siem-buyers-guide (14 answers)
- https://expertinsights.com/security-operations/the-top-siem-solutions (13 answers)
- https://manageengine.com/log-management/top-siem-tools.html (13 answers)
- https://exabeam.com/explainers/agentic-ai/biggest-pain-points-of-traditional-siem-and-8-modern-platforms-compared (12 answers)
- https://start.paloaltonetworks.com/rs/531-OCS-018/images/PAN%20Reprint%20Omdia%20Universe%20Next-Generation%20SIEM%20Solutions%20(NG-SIEM),%202024%E2%80%9325.pdf?version=0 (11 answers)
- https://cipherssecurity.com/best-siem-tools-in-2026-compared (10 answers)
- https://huntress.com/siem-guide/siem-tools (10 answers)

## Warned against

- IBM QRadar: 13 of 52 labels negative. "The SaaS edition has been withdrawn from sale... enterprises relying on QRadar's cloud offerings should plan migration strategies carefully." (Claude Haiku 4.5, negative prompt)
- Splunk Enterprise Security: 19 of 72 labels negative. "What to Avoid for Predictability - Splunk Enterprise Security: ... often leads to unpredictable costs as data grows" (Grok 4.20, budget prompt)
- LogRhythm: 6 of 18 labels negative. "Management complexity, frequent stability issues (e.g., crashes, log loss in high-volume scenarios)" (Grok 4.20, negative prompt)
- Elastic Security: 7 of 29 labels negative. "Pure per-GB options like Elastic Security or Sumo Logic can balloon without strict governance." (Grok 4.20, budget prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: Microsoft Sentinel at 47%.

- Google Security Operations: 9% to 2%, −7. Inside the floor by 4 points · rank 3 → 7 of 67.
- Microsoft Sentinel: 41% to 47%, +6. Inside the floor by 5 points · rank 1 of 67, unchanged.
- ManageEngine Log360: 0% to 4%, +4. Inside the floor by 7 points · rank 43 → 6 of 67.
- Exabeam: 6% to 8%, +2. Inside the floor by 9 points · rank 4 → 3 of 67.
- Securonix Unified Defense SIEM: 2% to 4%, +2. Inside the floor by 9 points · rank 6 → 5 of 67.
- Palo Alto Networks Cortex XSIAM: 0% to 2%, +2. Inside the floor by 9 points · rank 14 → 8 of 67.
- Elastic Security: 0% to 2%, +2. Inside the floor by 9 points · rank 13 → 9 of 67.
- LogRhythm: 2% to 0%, −2. Inside the floor by 9 points · rank 12 → 52 of 67.
- Splunk Enterprise Security: 26% to 25%, −1. Inside the floor by 10 points · rank 2 of 67, unchanged.
- IBM QRadar: 6% to 6%, ±0. Inside the floor by 11 points · rank 5 → 4 of 67.
- Rapid7 InsightIDR: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 → 10 of 67.
- CrowdStrike Falcon Next-Gen SIEM: 0% to 0%, ±0. Inside the floor by 11 points · rank 15 → 11 of 67.

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.