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Logging · head to head

Bugsnag vs Grafana Loki

Bugsnag logo

Bugsnag

Logging

Application Stability Monitoring

From
Free
Rated
-
Full reviewWebsite
Grafana Loki logo

Grafana Loki

Logging

Log Aggregation for Grafana Stack

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bugsnag owned by SmartBear rather than being independent; Grafana Loki grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment
  • They diverge on capability: Bugsnag covers Error tracking, Grafana Loki covers Log aggregation.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Bugsnag and Grafana Loki actually diverge.

Attributes where Bugsnag and Grafana Loki differ
AttributeBugsnagGrafana Loki
PlatformsWeb, ApiSelf-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support)
Founded20122014

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), category (Logging).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Bugsnag

  • Error tracking
  • Crash reporting
  • Release tracking
  • Trend analysis

Only in Grafana Loki

  • Log aggregation
  • Label-based indexing
  • LogQL language
  • Cost-effective

Both cover

  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

The jobs each tool is most often brought in to do.

Bugsnag

  • Crash and error reporting for mobile and web applicationsnot Grafana Loki
  • Stability scores per releasenot Grafana Loki
  • Grouping errors by root cause across deploysnot Grafana Loki
  • Alerting when a release regressesnot Grafana Loki

Grafana Loki

  • Cost-sensitive organisations deploying Kubernetes and Prometheus ecosystemsnot Bugsnag
  • Teams needing index-free log aggregation for high-volume environmentsnot Bugsnag

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Bugsnag

  • Owned by SmartBear rather than being independent
  • The free tier covers 7,500 events a month
  • Paid tiers are usage-priced by event volume rather than by seat, so a noisy release raises the bill
  • Enterprise pricing is quote-only

Grafana Loki

  • Grafana Cloud Logs Pro plan includes only 30-day retention; retention beyond 30 days requires Enterprise plan with minimum $25,000 annual commitment
  • Open-source version requires self-hosting all infrastructure including storage and scaling

Pricing, plan by plan

Bugsnag

Free
  • FreeFree
    • 1 user
    • Error and performance monitoring
    • 7500 events monthly
  • SelectFree
    • 50000-3 million error monitoring events monthly tiered
    • 1-150 million performance monitoring spans
    • Unlimited users
  • PreferredFree
    • 100000-3 million error monitoring events tiered
    • 1-300 million performance monitoring spans
    • Automatic error prioritization
  • Enterprise$null/month
    • Custom pricing
    • All Preferred features plus
    • Automatic error assignment

Grafana Loki

Free

No published plan breakdown. See the Grafana Loki review.

Which should you pick?

Choose Bugsnag if

  • You need error tracking.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want crash reporting.
Bugsnag review

Choose Grafana Loki if

  • You need log aggregation.
  • You want to start without paying.
  • You work on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support).
  • You also want label-based indexing.
Grafana Loki review

Questions people ask

Is Bugsnag or Grafana Loki better?
Neither clearly leads. Bugsnag starts at Free and Grafana Loki at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bugsnag or Grafana Loki?
Bugsnag starts at Free and Grafana Loki at Free.
Does Bugsnag or Grafana Loki run on more platforms?
Bugsnag runs on Web, Api. Grafana Loki runs on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support).
Can I use Bugsnag for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bugsnag best used for?
Bugsnag is most often used for crash and error reporting for mobile and web applications, stability scores per release, grouping errors by root cause across deploys, alerting when a release regresses. Of those, crash and error reporting for mobile and web applications and stability scores per release are not what Grafana Loki is typically brought in for.
What can Bugsnag do that Grafana Loki cannot?
Bugsnag covers Error tracking, Crash reporting, Release tracking, Trend analysis. Grafana Loki covers Log aggregation, Label-based indexing, LogQL language, Cost-effective. Both handle API, Webhooks, REST, Web support.

Answered from the vendors’ own pages

Bugsnag: Is BugSnag free?

BugSnag Free plan is free and includes 1 user, error and performance monitoring with 7500 events and 1 million spans monthly, 50+ platforms, 30+ integrations, and 7-day data retention for solo developers and passion projects.

Source
Grafana Loki: Is there a free tier for Grafana Cloud?

Yes, Grafana Cloud has a Free Forever plan at no cost with no registration required. The free tier is suitable for personal projects and early-stage startups.

Source
Bugsnag: What are the event and span limits by BugSnag plan?

Free plan: 7500 error events and 1 million spans monthly. Select plan: 50000-3 million error events and 1-150 million spans tiered. Preferred plan: 100000-3 million error events and 1-300 million spans tiered. Enterprise plan: custom limits with pricing on request.

Source
Grafana Loki: How long is data retained in Grafana's free plan?

The free tier retains metrics, logs, traces, and profiles for 14 days.

Source
Bugsnag: How long does BugSnag retain error data?

BugSnag Free plan retains data for 7 days. Select and Preferred paid plans retain error data for 60 days. Enterprise plans offer custom data retention periods negotiated with sales.

Source
Grafana Loki: What is the minimum cost for Grafana Enterprise?

Grafana Enterprise has a minimum annual commitment of 25,000 dollars.

Source
Bugsnag: What features does BugSnag Preferred plan add?

BugSnag Preferred plan (pricing tiered by volume, not published) adds automatic error prioritization, stability benchmarks, advanced segmentation, custom notifications, SAML SSO, and system metrics monitoring compared to Select plan.

Source
Grafana Loki: Do I need a credit card to use Grafana's free tier?

No, Grafana Cloud's Free Forever plan requires no credit card to get started.

Source
Grafana Loki: How is Grafana Cloud billed?

Grafana Cloud Pro starts at 19 dollars per month with usage-based charges on top. Billing is monthly based on your consumption. Grafana offers automatic volume discounts based on your spending.

Source
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