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.
Bottom line: Loki wins this matchup. Site24x7 is our overall Log Management pick. Logstash is our free Log Management pick. Pick Graylog if you need a free tier to start with.
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:
- • You want open source log management
- • You want good search
Loki
Log aggregation by Grafana Labs
Best for you if:
- • You want a fully free tool (Graylog requires payment)
- • You want grafana-native logging
- • You want cost-effective at scale
| 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
- You want open source log management
- You want good search
Choose Loki if
Log aggregation by Grafana Labs
- You want a fully free tool (Graylog requires payment)
- You want grafana-native logging
- You want cost-effective at scale
| Feature | Graylog | Loki |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★4.5/5 152 reviews | ★4.0/5 49 reviews |
| Categories | Log ManagementDevOps | Log ManagementMonitoring |
In-Depth Analysis
Graylog
Open-source log management platform
Graylog's pricing is very generous, offering a fully functional Open-source tier for free.
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
Loki's pricing is exceptionally fair and generous, as it is entirely free and open-source.
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 (152 reviews). Loki: 4.0/5 (49 reviews).
Go with: Graylog
Value user reviews?
Graylog: 152 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 (152 reviews)
The Bottom Line
Loki wins this matchup. Site24x7 is our overall Log Management pick. Logstash is our free Log Management 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.