Sentry vs Loki: Which Should You Choose in 2026?
Choosing between Sentry 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:
Sentry
Application monitoring & error tracking
Best for you if:
- • You want the higher-rated option (8.9/10 vs 8.8/10)
- • You need monitoring features specifically
- • Error tracking for developers
- • Performance monitoring
Loki
Log aggregation by Grafana Labs
Best for you if:
- • You need something completely free
- • You need log management features specifically
- • 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 |  Sentry | |
|---|---|---|
Price | Free + Paid | Free |
Best For | Monitoring | Log Management |
Rating | 89/100 | 88/100 |
| Feature | Sentry | Loki |
|---|---|---|
| Pricing Model | Freemium | Free |
| Editorial Score | 89 | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | MonitoringDebugging | Log ManagementMonitoring |
Understanding the Differences
Both Sentry and Loki solve similar problems, but they approach them differently.Sentry positions itself as "application monitoring & error tracking" while Lokifocuses on "log aggregation by grafana labs". These differences matter depending on what you're trying to accomplish.
When to Choose Sentry
Sentry makes sense if you're looking for a budget-friendly option with a free tier solution. With a score of 89/100, it's our top pick in this comparison.
When to Choose Loki
Loki is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Sentry lets you get started without pulling out your credit card.
We'd pick: Sentry
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Sentry handles scale better in our testing.
We'd pick: Sentry
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Sentry
Still not sure? Answer these 3 questions
How much can you spend?
Zero budget? Loki won't cost you anything.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Sentry higher (89/100). But the community has upvoted Loki more (0 votes). Pick your source of truth.
Key Takeaways
What Sentry Does Better
- Higher overall score (89/100)
- Our recommendation for most use cases
Consider Loki If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Sentry (89/100). But the honest answer is that "better" depends on your situation. Sentry scores higher in our analysis, but Loki might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Sentry or Loki better?
Based on our analysis, Sentry scores higher with 89/100. Sentry isfreemium while Loki is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Sentry to Loki easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Sentry and Loki offer free trials?
Most software in this category offers free trials or free tiers. Sentry is freemium with a free tier.Loki is completely free. Visit their websites for current trial offers.