Loki vs Graylog: Which is Better in 2026?
Choosing between Loki and Graylog 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:
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
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
| At a Glance |  Loki |  Graylog |
|---|---|---|
Starts at | Free | $1250/monthOperations |
Best For | Log Management | Log Management |
Rating | - | - |
Choose Loki or Graylog?
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)
Choose Graylog if
Open-source log management platform
- Open source log management
- Good search
- Self-hostable
| Feature | Loki | Graylog |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | ★4.0/5 49 reviews | ★4.5/5 149 reviews |
| Categories | Log ManagementMonitoring | Log ManagementDevOps |
In-Depth Analysis
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
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
Pricing: Loki vs Graylog
| Plan | Loki | Graylog |
|---|---|---|
| Tier 1 | Free Free | Free Open |
| Tier 2 | N/A | $1250 month Operations |
Pricing verified from each vendor's public pricing page. Compare in detail on Loki pricing and Graylog pricing.
Who Should Use What?
On a budget?
Loki is free. Graylog is freemium.
Go with: Loki
Want the highest-rated option?
Neither has user reviews yet.
Go with: Loki
Value user reviews?
Neither has user reviews yet.
Go with: Loki
3 Questions to Help You Decide
What's your budget?
Loki is free. Graylog is freemium. 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?
Neither has user reviews yet.
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 Loki or Graylog better?
Loki is rated in our evaluation. Loki is free and Graylog is freemium.
What are Loki and Graylog used for?
Loki: Log aggregation by Grafana Labs. Graylog: Open-source log management platform.
What does Loki cost vs Graylog?
Loki is completely free. Graylog is freemium (free tier + paid plans). Visit their websites for detailed pricing.