Best SIEM Software · 2026
Microsoft Sentinel vs 
Sumo Logic Microsoft Sentinel vs Sumo Logic: on our data-weighted scoring, Microsoft Sentinel edges ahead (8.1 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; Sumo Logic starts at Free tier available and is best for cloud-native teams wanting log analytics + cloud siem with a credit-based consumption model. Choose Microsoft Sentinel for the stronger overall track record; consider Sumo Logic 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 | Sumo Logic |
|---|---|---|
| Editorial | 8.1 | 8.1 |
| User reviews | 8.8 | 8.6 |
| Adoption | 6.5 | 6.7 |
| Affordability | 7.0 | 9.5 |
| Feature breadth | 6.0 | 6.0 |
| Ease of trial | 6.0 | 10.0 |
| Microsoft Sentinel | Sumo Logic | |
|---|---|---|
| Starting price | $4.3/GB ingested (PAYG, East US) | Free tier available |
| Pricing model | per gb | quote |
| Free trial / tier | 31 days | Free tier + 30 days |
| Best for | Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration | Cloud-native teams wanting log analytics + Cloud SIEM with a credit-based consumption model |
| Deployment | Cloud | Cloud |
| G2 rating | 4.4/5 (289) | 4.3/5 (338) |
| Capterra rating | — | — |
| Our score | 8.1 | 8.1 |
You need microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration.
You need cloud-native teams wanting log analytics + cloud siem with a credit-based consumption model.
Microsoft Sentinel bills on a per gb model from $4.3/GB ingested (PAYG, East US) (31 days trial), while Sumo Logic uses a quote model from Free tier available (free tier available). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Microsoft Sentinel ships 6 headline capabilities (Cloud-native SIEM + SOAR, Native Entra ID + Defender + M365 connectors, KQL hunting + analytics rules, UEBA + ML anomaly detection) and deploys Cloud. Sumo Logic ships 6 (Cloud-native log analytics, Cloud SIEM + Cloud SOAR, Credit-based flexible consumption, Real-time dashboards + alerting), deploying Cloud.
Microsoft Sentinel holds 4.4/5 (~289 G2 reviews); Sumo Logic holds 4.3/5 (~338 G2 reviews). On our data-weighted score, Microsoft Sentinel edges ahead (8.1 vs 8.1/10). Pick Sumo Logic instead when cloud-native teams wanting log analytics + cloud siem with a credit-based consumption model. See Microsoft Sentinel alternatives or Sumo Logic alternatives.