Best SIEM Software · 2026
Elastic Security vs 
Splunk Enterprise Security Elastic Security vs Splunk Enterprise Security: on our data-weighted scoring, Elastic Security edges ahead (8.2 vs 8.1/10). Elastic Security starts at Free tier available and is best for teams wanting an open, search-powered SIEM with consumption pricing and no per-endpoint fees; Splunk Enterprise Security starts at Custom quote and is best for large enterprises needing deep, mature SIEM with extensive integrations and log analytics. Choose Elastic Security for the stronger overall track record; consider Splunk Enterprise Security if its pricing model or fit matches your environment better. Side-by-side table below.
Six criteria, each scored 0–10 on the same scale from real review data, public pricing and feature coverage. See our methodology →
| Criterion | Elastic Security | Splunk Enterprise Security |
|---|---|---|
| Editorial | 8.2 | 8.1 |
| User reviews | 9.0 | 8.6 |
| Adoption | 3.7 | 6.2 |
| Affordability | 9.5 | 5.0 |
| Feature breadth | 6.0 | 7.0 |
| Ease of trial | 10.0 | 6.0 |
| Elastic Security | Splunk Enterprise Security | |
|---|---|---|
| Starting price | Free tier available | Custom quote |
| Pricing model | per gb | quote |
| Free trial / tier | Free tier + 14 days | 14 days |
| Best for | Teams wanting an open, search-powered SIEM with consumption pricing and no per-endpoint fees | Large enterprises needing deep, mature SIEM with extensive integrations and log analytics |
| Deployment | Cloud + self-host | Cloud + on-prem |
| G2 rating | 4.5/5 (23) | 4.3/5 (222) |
| Capterra rating | — | — |
| Our score | 8.2 | 8.1 |
You need teams wanting an open, search-powered siem with consumption pricing and no per-endpoint fees.
You need large enterprises needing deep, mature siem with extensive integrations and log analytics.
Elastic Security bills on a per gb model from Free tier available (free tier available), while Splunk Enterprise Security uses a quote model from Custom quote (14 days trial). Because the models differ, the cheaper option flips depending on your fleet size — model both at your seat/endpoint count.
Elastic Security ships 6 headline capabilities (Search-powered SIEM + analytics, Built-in EDR + cloud security, Prebuilt detection rules + MITRE ATT&CK, ML anomaly detection) and deploys Cloud + self-host. Splunk Enterprise Security ships 7 (Industry-leading SPL search + analytics, Risk-based alerting + correlation, 2, 800+ integrations), deploying Cloud + on-prem.
Elastic Security holds 4.5/5 (~23 G2 reviews); Splunk Enterprise Security holds 4.3/5 (~222 G2 reviews). On our data-weighted score, Elastic Security edges ahead (8.2 vs 8.1/10). Pick Splunk Enterprise Security instead when large enterprises needing deep, mature siem with extensive integrations and log analytics. See Elastic Security alternatives or Splunk Enterprise Security alternatives.
