Graylog, Inc.

Graylog Security

4.4 (116) · G2 8.1/10 Free tier
From $18000/yr (Security, 10 GB/day)
Visit website →
Starting price
$18000/yr (Security, 10 GB/day)
Free trial
Free tier + 14 days
Deployment
Cloud + self-host
Best for
Teams wanting SIEM-grade threat detection without Splunk-level cost or complexity

Graylog Security (by Graylog, Inc.) is a siem tool. It starts at $18000/yr (Security, 10 GB/day) and holds 4.4/5 (~116 G2 reviews). It is best for teams wanting siem-grade threat detection without splunk-level cost or complexity. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.

How Graylog Security scores

Six criteria, each 0–10 on the same scale from review data, public pricing and feature coverage. Methodology →

Editorial 8.1
User reviews 8.8
Adoption 5.5
Affordability 9.5
Feature breadth 6.0
Ease of trial 10.0

Visit Graylog Security →

Affiliate link: Graylog Security may pay us a commission if you sign up through this link. It never affects our data-driven ranking.

Graylog Security vs the field

How Graylog Security compares to leading alternatives
Graylog SecurityBlumiraMicrosoft Sentinel
Starting price $18000/yr (Security, 10 GB/day) Free tier available $4.3/GB ingested (PAYG, East US)
Pricing model per gb per user per gb
Free trial / tier Free tier + 14 days Free tier + 14 days 31 days
Best for Teams wanting SIEM-grade threat detection without Splunk-level cost or complexity 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 + self-host Cloud Cloud
G2 rating 4.4/5 (116) 4.6/5 (120) 4.4/5 (289)
Capterra rating
Our score 8.1 8.1 8.1

Pros

  • Strong value vs Splunk
  • Real free self-hosted tier
  • Data Lake avoids ingestion tax

Cons

  • Enterprise pricing requires sales
  • Inherits Elastic/OpenSearch ops complexity
  • Limited OTLP/observability scope

Key Graylog Security features

  • Free open-source tier
  • SIEM with MITRE ATT&CK mapping
  • Sigma rules + UEBA + risk scoring
  • Pipeline-based enrichment
  • Data Lake (untaxed retention)
  • Built on Elasticsearch/OpenSearch

Graylog Security at a glance

Graylog Security (by Graylog, Inc.) is a siem tool. It starts at $18000/yr (Security, 10 GB/day) and holds 4.4/5 (~116 G2 reviews). It is best for teams wanting siem-grade threat detection without splunk-level cost or complexity. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.

More on Graylog Security

Graylog Security from Graylog, Inc. is a siem platform deploying Cloud + self-host. It is built for teams wanting siem-grade threat detection without splunk-level cost or complexity. It holds 4.4/5 (~116 G2 reviews) and starts at $18000/yr (Security, 10 GB/day) on a per gb model.

Key capabilities: Free open-source tier, SIEM with MITRE ATT&CK mapping, Sigma rules + UEBA + risk scoring, Pipeline-based enrichment, Data Lake (untaxed retention), Built on Elasticsearch/OpenSearch.

Go deeper: pricing breakdown, full review, and the best Graylog Security alternatives (top picks: Blumira, Microsoft Sentinel, Splunk Enterprise Security).

Frequently asked questions

How much does Graylog Security cost?
Graylog Security starts at $18000/yr (Security, 10 GB/day). It's priced per gb. See the pricing page for every plan and limit.
Does Graylog Security have a free trial or free version?
Yes — Graylog Security has a free tier plus a 14 days free trial.
How is Graylog Security deployed?
Graylog Security is available as Cloud + self-host.
Who is Graylog Security best for?
Graylog Security is best for Teams wanting SIEM-grade threat detection without Splunk-level cost or complexity.
Is Graylog Security any good?
Graylog Security holds 4.4/5 across 116 reviews and scores 8.1/10 on our data-weighted ranking.
What are the best Graylog Security alternatives?
Top alternatives include Blumira, Microsoft Sentinel, Splunk Enterprise Security. See the full alternatives list for pricing and scores.

Popular Graylog Security comparisons

See Graylog Security head-to-head with the alternatives MSPs shortlist most often.

Data as of June 1, 2026. Sources: graylog.org, g2.com. Figures are pulled from public vendor and security data and refreshed automatically.