Softwr

Logging · head to head

Loki vs Raygun

Loki logo

Loki

Logging

Like Prometheus but for Logs

From
Free
Rated
-
Full reviewWebsite
Raygun logo

Raygun

Logging

Real User Monitoring and Crash Reporting

From
$40/month
Rated
-
Full reviewWebsite

The short version

  • Only Loki has a free tier, so it costs nothing to try first.
  • Each has a real cost: Loki the Grafana Cloud free tier caps log ingestion at 50 GB a month with 14 day retention; Raygun crash Reporting error data is retained for 180 days and Real User Monitoring sessions for only 60 days; longer retention is Enterprise only
  • They diverge on capability: Loki covers Log aggregation, Raygun covers Crash reporting.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Loki and Raygun actually diverge.

Attributes where Loki and Raygun differ
AttributeLokiRaygun
Starting priceFree$40/month
Pricing modelopen-sourceusage-based
Free tierYesNo
Founded20142011

Identical on both: platforms (Web, Api), 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 Loki

  • Log aggregation
  • Label-based indexing
  • Real-time log streaming
  • LogQL query language

Only in Raygun

  • Crash reporting
  • Real user monitoring
  • Performance tracking
  • Source maps

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.

Loki

  • Aggregating application and infrastructure logs with label based indexingnot Raygun
  • Querying logs alongside metrics in Grafananot Raygun

Raygun

  • Crash and error reporting for web, mobile and backend applicationsnot Loki
  • Real user monitoring of front end page load and session performancenot Loki
  • Application performance monitoring with request level tracesnot Loki

Where each one falls short

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

Loki

  • The Grafana Cloud free tier caps log ingestion at 50 GB a month with 14 day retention
  • Paid log pricing is split across three separate meters, at $0.050 per GB processed, $0.400 per GB written and $0.100 per GB retained
  • Retaining logs is billed separately from ingesting them, so keeping data costs on an ongoing basis rather than once
  • The Pro plan carries a $19 a month platform fee before any usage charges

Raygun

  • Crash Reporting error data is retained for 180 days and Real User Monitoring sessions for only 60 days; longer retention is Enterprise only
  • Crash Reporting, Real User Monitoring and APM are billed as three separate products, each metered on its own unit of errors, sessions or traces
  • A Real User Monitoring session ends after 30 minutes of inactivity, so a single visit spanning breaks is billed as several sessions
  • Usage beyond the plan allowance is billed on demand at $0.001 per error and $0.002 per session or trace
  • Enterprise plan pricing is custom with no published rate

Pricing, plan by plan

Loki

Free
  • FreeFree
    • Log aggregation
    • Label-based indexing
    • Real-time log streaming

Raygun

$40/month
  • Basic$40/month
    • Core monitoring, unlimited apps and members
    • Basic alerts, deployment tracking
    • Annual billing saves 33%
  • Team$80/month
    • Inbound filters and third-party integrations
    • Unlimited dashboards and user roles
    • Marked as MOST POPULAR plan
  • Business$400/month
    • SAML SSO and dedicated account manager
    • Priority support and quarterly reviews
    • Annual billing saves 33%
  • Enterprise$undefined/mo
    • Custom pricing and compliance requirements
    • Unlimited reports and SLA agreements
    • Private Slack support

Which should you pick?

Choose Loki if

  • You need log aggregation.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want label-based indexing.
Loki review

Choose Raygun if

  • You need crash reporting.
  • You work on Web, Api.
  • You also want real user monitoring.
Raygun review

Questions people ask

Is Loki or Raygun better?
Neither clearly leads. Loki starts at Free and Raygun at $40/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Loki or Raygun?
Loki has a free tier; the other does not. Paid plans start at Free for Loki and $40/month for Raygun.
Does Loki or Raygun run on more platforms?
Both run on Web, Api, so platform support will not decide this one for you.
Can I use Loki for free?
Yes. Loki has a free tier, so you can try it without paying. Raygun starts at $40/month.
What is Loki best used for?
Loki is most often used for aggregating application and infrastructure logs with label based indexing, querying logs alongside metrics in grafana. Of those, aggregating application and infrastructure logs with label based indexing and querying logs alongside metrics in grafana are not what Raygun is typically brought in for.
What can Loki do that Raygun cannot?
Loki covers Log aggregation, Label-based indexing, Real-time log streaming, LogQL query language. Raygun covers Crash reporting, Real user monitoring, Performance tracking, Source maps. Both handle API, Webhooks, REST, Web support.

Answered from the vendors’ own pages

Loki: What does it cost to use Grafana Loki?

Loki is open source and free under the AGPLv3 license for self-hosted deployments. Grafana's managed Cloud Logs service includes a free tier up to 50GB of logs at no cost.

Source
Raygun: Does Raygun offer a free trial?

Yes. Raygun offers a free 14-day trial with no credit card required. The trial includes feature access across all products.

Source
Loki: Are there paid options for Loki beyond the free tier?

Yes. Grafana Cloud Logs offers paid tiers for teams and enterprises, and Enterprise Logs provides self-managed options with expert support for organizations with data localization or privacy requirements.

Source
Raygun: What is Raygun's pricing model?

Raygun uses a usage-based pricing model with tiered plans starting at $40/month for Basic tier, plus per-event charges ($0.001 to $0.002 per event). Annual billing saves 33% compared to monthly rates.

Source
Loki: What license does open source Loki use?

Loki is released under the AGPLv3 license, which requires you to share modifications and publish your source code if you deploy modifications publicly.

Source
Raygun: What features are included in the Team plan?

Team plan at $80/month includes inbound filters, third-party integrations, unlimited dashboards, user roles, and is marked as the most popular option. It's positioned between Basic and Business tiers.

Source
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