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.
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
Based on published vendor pricing and features and on public review data, here's who should pick what:
Loki
Log aggregation by Grafana Labs
Best for you if:
- • You want a fully free tool (Graylog requires payment)
Graylog
Open-source log management platform
Best for you if:
- • You want open source log management
| At a Glance | Loki | Graylog |
|---|---|---|
Starts at | Free 100% free | Free Free plan |
Category | Log Management Monitoring | Log Management DevOps |
Rating | 4.0/5 PeerSpot 4.0 49 reviews | 4.5/5 G2 4.4 · Capterra 4.6 152 reviews |
Free plan | Yes | Yes |
Choose Loki or Graylog?
Choose Loki if
- You want a fully free tool (Graylog requires payment)
- You want grafana-native logging
- You want cost-effective at scale
Choose Graylog if
- You want open source log management
- You want good search
In-Depth Analysis
Loki
Log aggregation by Grafana Labs
Loki's pricing is exceptionally fair and generous, as it is entirely free and open-source.
Strengths
- Pro: Grafana-native logging
- Pro: Cost-effective at scale
- Pro: Label-based indexing
- Pro: Good for Kubernetes
- Pro: Simple architecture
Weaknesses
- Con: Less features than Elasticsearch
- Con: Query language different
- Con: Full-text search limited
- Con: Learning curve
- Con: Some scale limitations
Key features
Graylog
Open-source log management platform
Graylog's pricing is very generous, offering a fully functional Open-source tier for free.
Strengths
- Pro: Open source log management
- Pro: Good search
- Pro: Self-hostable
- Pro: Alerting
- Pro: Active community
Weaknesses
- Con: Resource intensive
- Con: Setup complex
- Con: Enterprise features paid
- Con: UI dated
- Con: 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.
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 Loki or Graylog better in 2026?
Loki wins this matchup. Site24x7 is our overall Log Management pick. Logstash is our free Log Management pick. Pick Loki for log management workflows (main strength: grafana-native logging). Pick Graylog for log management workflows (main strength: open source log management).
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 free. Graylog's paid plans start at Free (Operations).
What's the main difference between Loki and Graylog?
Loki's main strength: grafana-native logging. Graylog's main strength: open source log management.