Best SIEM Software · 2026

Blumira logoBlumira vs Microsoft Sentinel logoMicrosoft Sentinel

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.

Blumira

8.2/10
MSP Compared score
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
Visit Blumira →
Our pick

Microsoft Sentinel

8.7/10
MSP Compared score
Starting price
$4.3/GB ingested (PAYG, East US)
Reviews
4.4/5 (~289 G2 reviews)
Free trial
31 days
Deployment
Cloud
Best for
Microsoft-centric orgs wanting a cloud-native SIEM with deep Entra/Defender integration
Visit Microsoft Sentinel →

Affiliate links — vendors may pay us a commission. It never affects our data-driven ranking.

Strengths at a glance

Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →

EditorialUser reviewsAdoptionAffordabilityFeature breadthEase of trial
BlumiraMicrosoft Sentinel
CriterionBlumiraMicrosoft 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 vs Microsoft Sentinel: head-to-head

Blumira vs Microsoft Sentinel — specs and pricing
BlumiraMicrosoft 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

Choose Blumira if…

You need lean it teams wanting easy siem + detection with a free tier.

Pros

  • Genuinely easy SIEM
  • Free M365 tier
  • Fast deployment

Cons

  • Lighter than enterprise SIEM
  • Paid tiers quote-based
  • Smaller integration set

Blumira pricing · review

Choose Microsoft Sentinel if…

You need microsoft-centric orgs wanting a cloud-native siem with deep entra/defender integration.

Pros

  • Deep Microsoft ecosystem integration
  • No infrastructure to manage
  • Strong automation + hunting

Cons

  • Per-GB ingestion costs scale fast
  • Azure-centric (multi-cloud weaker)
  • KQL learning curve

Microsoft Sentinel pricing · review

In depth

Pricing: Blumira vs Microsoft Sentinel

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.

Features & deployment

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.

Ratings & verdict

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.

Frequently asked questions

Blumira vs Microsoft Sentinel: which is better?
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.
Is Blumira cheaper than Microsoft Sentinel?
Blumira starts at Free tier available and Microsoft Sentinel starts at $4.3/GB ingested (PAYG, East US) (see the pricing rows for models and limits).
Data as of June 16, 2026. Sources: blumira.com, azure.microsoft.com. Figures are pulled from public vendor and security data and refreshed automatically.