Grafana
Splunk
| Feature | Grafana | Splunk |
|---|---|---|
| Pricing | Free / from $29/mo | Contact sales |
| Free Plan | ✓ Yes | ✗ No |
| Rating | 4.6 / 5 | 4.3 / 5 |
| Best For | devops-teams, sre-teams, data-engineers, iot-monitoring | enterprise, security-teams, devops-engineers, data-analysts |
| Founded | 2014 | 2003 |
| Dashboards | ✓ | ✓ |
| Data Sources | ✓ | ✗ |
| Alerting | ✓ | ✓ |
| Annotations | ✓ | ✗ |
| Plugins | ✓ | ✗ |
| Loki Logs | ✓ | ✗ |
| Tempo Traces | ✓ | ✗ |
| Mimir Metrics | ✓ | ✗ |
| Log Analysis | ✗ | ✓ |
| Real Time Monitoring | ✗ | ✓ |
| Machine Learning | ✗ | ✓ |
| Siem | ✗ | ✓ |
✓ Grafana Pros
- Connects to virtually any data source
- Beautiful and highly customizable dashboards
- Open-source with massive community
- Grafana Cloud includes Loki, Tempo, and Mimir
- Alerting across all data sources
✗ Grafana Cons
- Self-hosting requires DevOps expertise
- Dashboard creation has a learning curve
- Plugin quality varies
✓ Splunk Pros
- Powerful search capabilities
- Real-time monitoring
- Extensive app ecosystem
- Enterprise-grade
✗ Splunk Cons
- Very expensive
- Complex pricing
- Resource-intensive
The Verdict
Grafana is built for devops teams and sre teams, with a focus on dashboards and data-sources. Splunk targets enterprise and security teams and leads with log-analysis and real-time-monitoring.
Splunk uses custom enterprise pricing, while Grafana starts at $29/mo — a tangible advantage for teams with a fixed budget.
Grafana has a free plan, which gives it a meaningful edge for individuals and small teams exploring their options. Splunk requires a paid subscription from day one.
Feature-wise, Grafana offers broader built-in capabilities (8 features vs 6), while Splunk takes a more focused approach — which can mean a simpler, faster onboarding experience.
Bottom line: Grafana has a slight overall edge — but if powerful search capabilities matters most to you, Splunk may still be the right call.