Blumira
- Starting price
- Free tier available
- Reviews
- 4.6/5 (~120 G2 reviews)
- Free trial
- Free tier + 14 days
- Deployment
- Cloud
- Best for
- Lean IT teams wanting easy SIEM + detection with a free tier
Best SIEM Software · 2026
Blumira vs Microsoft Sentinel: on our data-weighted scoring, Blumira edges ahead (8.1 vs 8.1/10). Blumira starts at Free tier available and is best for lean it teams wanting easy siem + detection with a free tier; 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. Choose Blumira 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 | Blumira | Microsoft Sentinel |
|---|---|---|
| Editorial | 8.1 | 8.1 |
| User reviews | 9.2 | 8.8 |
| Adoption | 5.5 | 6.5 |
| Affordability | 9.5 | 7.0 |
| Feature breadth | 5.0 | 6.0 |
| Ease of trial | 10.0 | 6.0 |
| Blumira | Microsoft Sentinel | |
|---|---|---|
| Starting price | Free tier available | $4.3/GB ingested (PAYG, East US) |
| Pricing model | per user | per gb |
| Free trial / tier | Free tier + 14 days | 31 days |
| Best for | Lean IT teams wanting easy SIEM + detection with a free tier | Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration |
| Deployment | Cloud | Cloud |
| G2 rating | 4.6/5 (120) | 4.4/5 (289) |
| Capterra rating | — | — |
| Our score | 8.1 | 8.1 |
You need lean it teams wanting easy siem + detection with a free tier.
You need microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration.
Blumira bills on a per user model from Free tier available (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.
Blumira ships 5 headline capabilities (Cloud SIEM, Automated detections + playbooks, 24/7 SecOps support, Honeypots) and deploys Cloud. Microsoft Sentinel ships 6 (Cloud-native SIEM + SOAR, Native Entra ID + Defender + M365 connectors, KQL hunting + analytics rules, UEBA + ML anomaly detection), deploying Cloud.
Blumira holds 4.6/5 (~120 G2 reviews); Microsoft Sentinel holds 4.4/5 (~289 G2 reviews). On our data-weighted score, Blumira edges ahead (8.1 vs 8.1/10). Pick Microsoft Sentinel instead when microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration. See Blumira alternatives or Microsoft Sentinel alternatives.