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Cybersecurity · head to head

LogRhythm SIEM vs Microsoft Sentinel

LogRhythm SIEM logo

LogRhythm SIEM

Cybersecurity

AI-powered SIEM platform for modern security operations

From
On request
Rated
-
Microsoft Sentinel logo

Microsoft Sentinel

Cybersecurity

Cloud-native SIEM and SOAR solution

From
Free
Rated
-

The short version

  • Only Microsoft Sentinel has a free tier, so it costs nothing to try first.
  • Each has a real cost: LogRhythm SIEM no pricing published; sales contact required; Microsoft Sentinel billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets
  • They diverge on capability: LogRhythm SIEM covers AI-driven analytics, Microsoft Sentinel covers AI-powered analytics.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which LogRhythm SIEM and Microsoft Sentinel actually diverge.

Attributes where LogRhythm SIEM and Microsoft Sentinel differ
AttributeLogRhythm SIEMMicrosoft Sentinel
Starting priceOn requestFree
Pricing modelsubscriptionusage-based
Free tierNoYes
Founded20031975

Identical on both: platforms (Web, Api), user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in LogRhythm SIEM

  • AI-driven analytics
  • NDR integration
  • SOAR automation
  • Threat lifecycle management
  • Case management
  • Compliance reporting
  • Embedded playbooks
  • Microsoft

Only in Microsoft Sentinel

  • AI-powered analytics
  • Fusion detection
  • Automated response playbooks
  • Threat intelligence
  • Hunting queries
  • Workbooks
  • Incident management
  • Microsoft 365

Both cover

  • UEBA
  • CrowdStrike
  • Palo Alto
  • Cisco
  • AWS
  • ServiceNow
  • SOC2
  • ISO 27001

What people use each for

The jobs each tool is most often brought in to do.

LogRhythm SIEM

  • Security information and event managementnot Microsoft Sentinel
  • Threat detection and incident responsenot Microsoft Sentinel
  • Compliance monitoring and reportingnot Microsoft Sentinel
  • User and entity behavior analyticsnot Microsoft Sentinel

Microsoft Sentinel

  • Cloud-based security information and event management (SIEM)not LogRhythm SIEM
  • Extended detection and response (XDR) across enterprise infrastructurenot LogRhythm SIEM
  • Data ingestion and long-term security analyticsnot LogRhythm SIEM

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

LogRhythm SIEM

  • No pricing published; sales contact required
  • No public information on licensing model or per-unit costs

Microsoft Sentinel

  • Billing is driven by the volume of log data ingested per day, so cost scales with log noise rather than with users or protected assets
  • Commitment tier discounts require reserving daily ingestion capacity in advance, and a tier cannot be downgraded until 31 days have passed
  • Commitment tiers start at 100 GB per day, above what smaller estates ingest
  • Charges for Log Analytics, Logic Apps and Machine Learning are billed separately on top of Sentinel itself
  • The free allowance is only up to 5 MB per user per day for selected Microsoft 365 security logs
  • Promotional commitment pricing is time limited and locks in only until a stated end date

Pricing, plan by plan

LogRhythm SIEM

On request
  • LogRhythm SIEMFree
    • Threat detection
    • Log management
    • Compliance
  • LogRhythm AxonFree
    • Cloud-native SIEM
    • Self-service deployment
    • Elastic scaling
  • Managed Detection & ResponseFree
    • 24/7 monitoring
    • Expert analysts
    • Threat hunting

Microsoft Sentinel

Free
  • Pay-As-You-Go$2.46/day
    • Per GB ingested
    • 90-day retention
    • First 31 days free for new workspaces
  • Commitment TiersFree
    • 100GB to 50TB tiers
    • Up to 65% discount
    • Predictable billing
  • Microsoft 365 E5Free
    • Free data ingestion for M365 logs
    • Bundled with E5 license

Which should you pick?

Choose LogRhythm SIEM if

  • You need ai-driven analytics.
  • You work on Web, Api.
  • You also want ndr integration.

Choose Microsoft Sentinel if

  • You need ai-powered analytics.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want fusion detection.

Questions people ask

Is LogRhythm SIEM or Microsoft Sentinel better?
Neither clearly leads. LogRhythm SIEM starts at On request and Microsoft Sentinel at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LogRhythm SIEM or Microsoft Sentinel?
Microsoft Sentinel has a free tier; the other does not. Paid plans start at On request for LogRhythm SIEM and Free for Microsoft Sentinel.
Does LogRhythm SIEM or Microsoft Sentinel run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Microsoft Sentinel for free?
Yes. Microsoft Sentinel has a free tier, so you can try it without paying. LogRhythm SIEM starts at On request.
What is LogRhythm SIEM best used for?
LogRhythm SIEM is most often used for security information and event management, threat detection and incident response, compliance monitoring and reporting, user and entity behavior analytics. Of those, security information and event management and threat detection and incident response are not what Microsoft Sentinel is typically brought in for.
What can LogRhythm SIEM do that Microsoft Sentinel cannot?
LogRhythm SIEM covers AI-driven analytics, NDR integration, SOAR automation, Threat lifecycle management. Microsoft Sentinel covers AI-powered analytics, Fusion detection, Automated response playbooks, Threat intelligence. Both handle UEBA, CrowdStrike, Palo Alto, Cisco.

Answered from the vendors’ own pages

LogRhythm SIEM: How does Exabeam (formerly LogRhythm SIEM) handle pricing?

Exabeam does not publish pricing on its website. To obtain pricing information, request a demo through the website or contact Exabeam's sales team directly for a personalized quote based on your deployment size and requirements.

Source
Microsoft Sentinel: How is Microsoft Sentinel pricing calculated?

Microsoft Sentinel uses a pay-as-you-go usage-based model where you pay only for data ingested, stored, and consumed. Flexible commitment tiers are available to reduce total cost of ownership, with specific rates not published on the public pricing page. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/

Source
LogRhythm SIEM: Is there a free trial or freemium version of Exabeam?

Exabeam does not advertise a free trial or freemium tier on its homepage. Interested buyers must contact the sales team to discuss trial availability and pricing options.

Source
Microsoft Sentinel: Does Microsoft Sentinel require an Azure subscription?

Yes, Microsoft Sentinel requires a Microsoft Azure subscription to operate. Pricing is handled through Azure and varies based on data consumption and the commitment tier you select. Source: https://www.microsoft.com/security/business/siem-and-xdr/microsoft-sentinel/

Source
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