Graylog vs Loki: Which is Better in 2026?
Choosing between Graylog and Loki comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Graylog
Open-source log management platform
Best for you if:
- • Graylog is an open-source log management platform for collecting and analyzing logs
- • It centralizes log data with search, dashboards, and alerting capabilities
Loki
Log aggregation by Grafana Labs
Best for you if:
- • You need something completely free
- • Loki is an open-source log aggregation system designed for Grafana
- • It indexes metadata instead of full text for cost-effective log storage
| At a Glance |  Graylog |  Loki |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Log Management | Log Management |
Rating | 4.5/5 | 4.0/5 |
Free plan | Yes | Yes |
Choose Graylog or Loki?
Choose Graylog if
Open-source log management platform
- Open source log management
- Good search
- Self-hostable
Choose Loki if
Log aggregation by Grafana Labs
- Grafana-native logging
- Cost-effective at scale
- Label-based indexing
- You want a fully free tool (Graylog requires payment)
| Feature | Graylog | Loki |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.5/5 149 reviews | ★4.0/5 49 reviews |
| Categories | Log ManagementDevOps | Log ManagementMonitoring |
In-Depth Analysis
Graylog
Open-source log management platform
Strengths
- +Open source log management
- +Good search
- +Self-hostable
- +Alerting
- +Active community
Weaknesses
- -Resource intensive
- -Setup complex
- -Enterprise features paid
- -UI dated
- -Documentation gaps
Key features
Loki
Log aggregation by Grafana Labs
Strengths
- +Grafana-native logging
- +Cost-effective at scale
- +Label-based indexing
- +Good for Kubernetes
- +Simple architecture
Weaknesses
- -Less features than Elasticsearch
- -Query language different
- -Full-text search limited
- -Learning curve
- -Some scale limitations
Key features
Pricing: Graylog vs Loki
| Plan | Graylog | Loki |
|---|---|---|
| Tier 1 | Free Open | Free Free |
| Tier 2 | $1250 month Operations | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Graylog pricing and Loki pricing.
Who Should Use What?
On a budget?
Loki is free. Graylog is freemium.
Go with: Loki
Want the highest-rated option?
Graylog: 4.5/5 (149 reviews). Loki: 4.0/5 (49 reviews).
Go with: Graylog
Value user reviews?
Graylog: 149 reviews (4.5/5). Loki: 49 reviews (4.0/5).
Go with: Graylog
3 Questions to Help You Decide
What's your budget?
Graylog is freemium. Loki is free. Go with Loki if free matters most.
What's your use case?
Both are log management tools. Compare their specific features to decide.
How important are ratings?
Graylog is rated higher: 4.5/5 vs 4.0/5.
Key Takeaways
Loki
- Completely free
- Our pick for this comparison
Graylog
- Higher user rating: 4.5/5 vs 4.0/5
- Larger review base (149 reviews)
The Bottom Line
Loki is our pick.
Frequently Asked Questions
Is Graylog or Loki better?
Loki is rated in our evaluation. Graylog is freemium and Loki is free.
What are Graylog and Loki used for?
Graylog: Open-source log management platform. Loki: Log aggregation by Grafana Labs.
What does Graylog cost vs Loki?
Graylog is freemium (free tier + paid plans). Loki is completely free. Visit their websites for detailed pricing.