Kibana vs Grafana Loki
A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.
Kibana
Visualization and exploration for Elasticsearch data
VS
Grafana Loki
Log aggregation system inspired by Prometheus
| Feature | Kibana | Grafana Loki |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 96 · Excellent | 98 · Excellent |
| Category | Monitoring & Status | Monitoring & Status |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | TypeScript | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, kubernetes, binary | docker, kubernetes, helm |
| GitHub stars | ★ 21,299 | ★ 28,937 |
| First released | 2013 | 2018 |
| Replaces | Splunk, Datadog | Splunk, Datadog Logs |
What are Kibana and Grafana Loki?
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
Grafana Loki
Grafana Loki is a horizontally scalable, highly available log aggregation system. Unlike other log systems, it indexes only metadata labels rather than full text, making it cost-effective and simple to operate.
- Label-based log indexing
- LogQL query language
- Tight Grafana integration
- Object storage backend
Kibana vs Grafana Loki: key differences
Kibana is written in TypeScript, while Grafana Loki is built with Go. Grafana Loki is the lighter option, starting around 512 MB of RAM against 1,024 MB for Kibana. Kibana is the more established project (first released 2013), while Grafana Loki arrived in 2018.
Why pick each one
Choose Kibana if…
- Rich visualization options
- Mature ecosystem
Watch out for
- Tied to Elasticsearch
- Heavy resource usage
Choose Grafana Loki if…
- Cheap to run compared to full-text indexers
- Familiar Prometheus-style labels
Watch out for
- Limited full-text search
- Requires Grafana for best experience
Frequently asked questions
Is Kibana or Grafana Loki better?
Neither is universally better. Grafana Loki has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Kibana and Grafana Loki free and open-source?
Yes. Kibana is licensed under AGPL-3.0 and Grafana Loki under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Kibana and Grafana Loki with Docker?
Kibana: yes. Grafana Loki: yes.
Which is lighter on resources, Kibana or Grafana Loki?
Grafana Loki has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Kibana. Real-world usage depends on library size, user count, and enabled features.