Graylog vs Kibana
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Graylog
Centralized log management and analysis platform
VS
Kibana
Visualization and exploration for Elasticsearch data
| Feature | Graylog | Kibana |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 90 · Excellent | 96 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | SSPL-1.0 | AGPL-3.0 |
| Language | Java | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 2,048 MB | 1,024 MB |
| Deployment | docker, bare-metal | docker, kubernetes, binary |
| GitHub stars | ★ 8,144 | ★ 21,299 |
| First released | 2010 | 2013 |
| Replaces | Splunk, Datadog Logs | Splunk, Datadog |
What are Graylog and Kibana?
Graylog
Graylog is a centralized log management platform that collects, indexes, and analyzes machine data in real time. It offers powerful search, dashboards, and alerting for troubleshooting and security monitoring.
- Centralized log collection
- Fast full-text search
- Dashboards and alerts
- Stream-based routing
Kibana
Kibana is a visualization and management interface for Elasticsearch, widely used for log analytics and observability. It provides dashboards, search, and alerting over indexed operational data.
- Log and metric dashboards
- Discover search interface
- Alerting and machine learning
- Maps and visualizations
Graylog vs Kibana: key differences
Graylog is written in Java, while Kibana is built with TypeScript. Licensing differs — SSPL-1.0 for Graylog versus AGPL-3.0 for Kibana. Kibana is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Graylog. Graylog is the more established project (first released 2010), while Kibana arrived in 2013. Kibana has the considerably larger community, at 21,299 GitHub stars versus 8,144.
Why pick each one
Choose Graylog if…
- Powerful search and pipelines
- Polished web UI
Watch out for
- Needs OpenSearch and MongoDB
- Memory hungry
Choose Kibana if…
- Rich visualization options
- Mature ecosystem
Watch out for
- Tied to Elasticsearch
- Heavy resource usage
Frequently asked questions
Is Graylog or Kibana better?
Neither is universally better. Kibana has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Graylog and Kibana free and open-source?
Yes. Graylog is licensed under SSPL-1.0 and Kibana under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Graylog and Kibana with Docker?
Graylog: yes. Kibana: yes.
Which is lighter on resources, Graylog or Kibana?
Kibana has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Graylog. Real-world usage depends on library size, user count, and enabled features.