Best SIEM Software · 2026
Microsoft Sentinel vs 
Wazuh Microsoft Sentinel vs Wazuh: on our data-weighted scoring, Wazuh edges ahead (8.3 vs 8.1/10). Microsoft Sentinel starts at $4.3/GB ingested (PAYG, East US) and is best for microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration; Wazuh starts at $571/mo (Cloud, up to 100 agents) and is best for teams wanting a free, open-source SIEM/XDR they can self-host (or run as managed cloud). Choose Wazuh for the stronger overall track record; consider Microsoft Sentinel if its pricing model or fit matches your environment better. Side-by-side table below.
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Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Microsoft Sentinel | Wazuh |
|---|---|---|
| Editorial | 8.1 | 8.3 |
| User reviews | 8.8 | 9.0 |
| Adoption | 6.5 | 4.7 |
| Affordability | 6.8 | 9.5 |
| Feature breadth | 6.0 | 7.0 |
| Ease of trial | 6.0 | 10.0 |
| Microsoft Sentinel | Wazuh | |
|---|---|---|
| Starting price | $4.3/GB ingested (PAYG, East US) | $571/mo (Cloud, up to 100 agents) |
| Pricing model | per gb | flat |
| Free trial / tier | 31 days | Free tier + 14 days |
| Best for | Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration | Teams wanting a free, open-source SIEM/XDR they can self-host (or run as managed cloud) |
| Deployment | Cloud | Cloud + self-host |
| G2 rating | 4.4/5 (289) | 4.5/5 (59) |
| Capterra rating | — | — |
| Our score | 8.1 | 8.3 |
You need microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration.
You need teams wanting a free, open-source siem/xdr they can self-host (or run as managed cloud).
Wazuh bills on a flat model from $571/mo (Cloud, up to 100 agents) (free tier available), while Microsoft Sentinel uses a per gb model from $4.3/GB ingested (PAYG, East US) (31 days trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Wazuh ships 7 headline capabilities (Open-source SIEM + XDR, Log analysis + file integrity monitoring, Vulnerability detection, Regulatory compliance (PCI) and deploys Cloud + self-host. Microsoft Sentinel ships 6 (Cloud-native SIEM + SOAR, Native Entra ID + Defender + M365 connectors, KQL hunting + analytics rules, UEBA + ML anomaly detection), deploying Cloud.
Wazuh holds 4.5/5 (~59 G2 reviews); Microsoft Sentinel holds 4.4/5 (~289 G2 reviews). On our data-weighted score, Wazuh edges ahead (8.3 vs 8.1/10). Pick Microsoft Sentinel instead when microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration. See Wazuh alternatives or Microsoft Sentinel alternatives.
