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Logging · head to head

Grafana Loki vs Papertrail

Grafana Loki logo

Grafana Loki

Logging

Log Aggregation for Grafana Stack

From
Free
Rated
-
Full reviewWebsite
Papertrail logo

Papertrail

Logging

Cloud-Hosted Log Management

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 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; Papertrail log Observability starts at $5.00 per GB per month
  • They diverge on capability: Grafana Loki covers Label-based indexing, Papertrail covers Real-time tail.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Grafana Loki and Papertrail differ
AttributeGrafana LokiPapertrail
Pricing modelfreemiumsubscription
PlatformsSelf-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support)Web, Api
Founded20142011

Identical on both: starting price (Free), 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 Grafana Loki

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

Only in Papertrail

  • Real-time tail
  • Saved searches
  • System alerts

Both cover

  • Log aggregation
  • API
  • Webhooks
  • REST
  • Web support
  • Api support

What people use each for

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

Grafana Loki

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

Papertrail

  • Aggregating syslog and application logs from many hosts into one searchable streamnot Grafana Loki
  • Tail-and-search style troubleshooting during incidentsnot Grafana Loki
  • Long-term log archiving to Amazon S3 for later analysisnot Grafana Loki

Where each one falls short

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

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

Papertrail

  • Log Observability starts at $5.00 per GB per month
  • Usage beyond the plan volume is billed at a 30% higher price per GB and is capped at 200% extra
  • Transferred volume is measured as message length plus 50 bytes of metadata per message, so metadata counts against the quota

Pricing, plan by plan

Grafana Loki

Free

No published plan breakdown. See the Grafana Loki review.

Papertrail

Free
  • FreeFree
    • Log aggregation
    • Real-time tail
    • Saved searches

Which should you pick?

Choose Grafana Loki if

  • You need label-based indexing.
  • 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 logql language.
Grafana Loki review

Choose Papertrail if

  • You need real-time tail.
  • You want to start without paying.
  • You work on Web, Api.
  • You also want saved searches.
Papertrail review

Questions people ask

Is Grafana Loki or Papertrail better?
Neither clearly leads. Grafana Loki starts at Free and Papertrail at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grafana Loki or Papertrail?
Grafana Loki starts at Free and Papertrail at Free.
Does Grafana Loki or Papertrail run on more platforms?
Grafana Loki runs on Self-hosted (open source), Managed (Grafana Cloud Logs), Enterprise (self-managed with support). Papertrail runs on Web, Api.
Can I use Grafana Loki for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grafana Loki best used for?
Grafana Loki is most often used for cost-sensitive organisations deploying kubernetes and prometheus ecosystems, teams needing index-free log aggregation for high-volume environments. Of those, cost-sensitive organisations deploying kubernetes and prometheus ecosystems and teams needing index-free log aggregation for high-volume environments are not what Papertrail is typically brought in for.
What can Grafana Loki do that Papertrail cannot?
Grafana Loki covers Label-based indexing, LogQL language, Cost-effective. Papertrail covers Real-time tail, Saved searches, System alerts. Both handle Log aggregation, API, Webhooks, REST.

Answered from the vendors’ own pages

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

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

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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