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Head-to-head · Threat Hunting Software

Datadog Cloud SIEM vs Splunk Enterprise

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Datadog Cloud SIEM #2 in Threat Hunting Software 9.0/10 From $5/mo (annual) · 14-day trial ✓ 4 of 4 features Visit Datadog
Splunk Enterprise #5 in Threat Hunting Software 7.1/10 Free plan · pricing on request · 60-day trial Free plan✓ 0 of 4 features Visit Splunk

Datadog Cloud SIEM leads on 4 checks, Splunk Enterprise on 1, and 0 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDatadog Cloud SIEM · 9.0/10
  • Free planonly Splunk Enterprise
  • Most featuresDatadog Cloud SIEM · 4 of 4

Datadog Cloud SIEM scores higher on our rubric for threat hunting software: 9.0 against 7.1 out of 10; our editors rank them #2 and #5.

Splunk Enterprise offers free plan; Datadog Cloud SIEM doesn't. Datadog Cloud SIEM offers endpoint telemetry; Splunk Enterprise doesn't publish it. Datadog Cloud SIEM offers cloud telemetry; Splunk Enterprise doesn't publish it. Datadog Cloud SIEM offers network telemetry; Splunk Enterprise doesn't publish it. Datadog Cloud SIEM offers investigation cases; Splunk Enterprise doesn't publish it.

Datadog Cloud SIEM is the better fit for cloud-first SOCs needing mature analytics. Splunk Enterprise is the better fit for organizations needing flexible self-hosted searching.

  • Datadog Cloud SIEM fits best

    Cloud-first SOCs needing mature analytics

  • Splunk Enterprise fits best

    Organizations needing flexible self-hosted searching

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Datadog Cloud SIEM 9.0/10 Visit ↗ Splunk Enterprise 7.1/10 Visit ↗
At a glance
Editor score 9.0 7.1
Ranking #2 in Threat Hunting Software #5 in Threat Hunting Software
Best for Cloud-first SOCs needing mature analytics Organizations needing flexible self-hosted searching
Pricing model Paid Free plan + paid
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Free trial length 14 days 60 days · no card needed
Deployment Cloud Self-hosted
Platforms Web Web, Windows, Linux, macOS
Support Live chat, Email, Community, Docs Phone, Tickets
Integrations 1,000+ integrations 8 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Datadog Cloud SIEM 4/4 · Splunk Enterprise 0/4
Endpoint telemetry ✓ (best) Not published
Cloud telemetry ✓ (best) Not published
Network telemetry ✓ (best) Not published
Investigation cases ✓ (best) Not published
Specs
Hunting query language Sql Not published
Searchable retention 365 days Not published
Our review
Pros
  • 800+ MITRE ATT&CK-mapped detection rules and SQL detections
  • UEBA, risk scoring, and graph-based cloud investigations
  • Case management, SOAR integrations, and 1,000 integrations
  • Searches and analyzes indexed events with SPL and SPL2.
  • Ingests data from files, networks, and other sources.
  • Supports dashboards, alerts, archives, and distributed deployments.
Cons
  • Usage-based billing can make monthly costs vary with log volume
  • Workflow automation is billed separately from SIEM plans
  • Cloud deployment does not suit teams requiring an on-premises service
  • The free license is limited to standalone, single-instance use.
  • Splunk Free has a 500 MB/day ingestion limit.
  • Paid pricing is quote-based rather than published as standard plans.
Our verdict

Datadog Cloud SIEM is a cloud-delivered security information and event management service for security operations, development, and operations teams. It ingests security and operational logs from cloud and on-premises environments,…

Read the review →

Splunk Enterprise collects and indexes machine-generated data from sources such as websites, applications, sensors, and devices, making it searchable for operational and security work. It is aimed at mid-market and enterprise organizations…

Read the review →
  1. Datadog Cloud SIEMThreat Hunting Software 9.0From $5/mo (annual) · 14-day trial
  2. Splunk EnterpriseThreat Hunting Software 7.1Free plan · pricing on request · 60-day trial

Strengths and trade-offs

  • Datadog Cloud SIEM — where it wins

    • 800+ MITRE ATT&CK-mapped detection rules and SQL detections
    • UEBA, risk scoring, and graph-based cloud investigations
    • Case management, SOAR integrations, and 1,000 integrations

    Where it doesn't

    • Usage-based billing can make monthly costs vary with log volume
    • Workflow automation is billed separately from SIEM plans
    • Cloud deployment does not suit teams requiring an on-premises service

  • Splunk Enterprise — where it wins

    • Searches and analyzes indexed events with SPL and SPL2.
    • Ingests data from files, networks, and other sources.
    • Supports dashboards, alerts, archives, and distributed deployments.

    Where it doesn't

    • The free license is limited to standalone, single-instance use.
    • Splunk Free has a 500 MB/day ingestion limit.
    • Paid pricing is quote-based rather than published as standard plans.
  • Datadog Cloud SIEM9.0/10 · From $5/mo (annual) · 14-day trial

    A cloud-first SIEM with SQL detections, MITRE-mapped rules, UEBA, and AI investigations.

    Visit DatadogFull verdict →
  • Splunk Enterprise7.1/10 · Free plan · pricing on request · 60-day trial

    A self-hosted platform for searching security and operational data with SPL and SPL2.

    Visit SplunkFull verdict →

More comparisons

All threat hunting software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update