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Cloud · head to head

Grafana Cloud vs K3s

Grafana Cloud logo

Grafana Cloud

Cloud

Composable observability platform

From
Free
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Grafana Cloud active Series (AS) billing model is difficult to predict and control; misconfiguration can cause sudden spikes and unexpected bills; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: Grafana Cloud covers Grafana Dashboards, K3s covers Single binary.

Where they differ

Only the attributes on which Grafana Cloud and K3s actually diverge.

Attributes where Grafana Cloud and K3s differ
AttributeGrafana CloudK3s
Pricing modelUnknownOpen source, no licence fee
PlatformsWeb (Chrome, Edge, Firefox, Safari), APILinux, ARM, Self-hosted
Founded2014Unknown

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

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 Cloud

  • Grafana Dashboards
  • Prometheus Metrics
  • Loki Logs
  • Tempo Traces
  • Alerting
  • OnCall
  • Synthetic Monitoring
  • Incident Management

Only in K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

What people use each for

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

Grafana Cloud

  • Infrastructure monitoringnot K3s
  • Application monitoringnot K3s
  • Log aggregationnot K3s
  • Distributed tracingnot K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot Grafana Cloud
  • Development and CI clusters that must start fast and cost nothingnot Grafana Cloud
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot Grafana Cloud
  • Teaching and learning Kubernetes without cloud spendnot Grafana Cloud

Where each one falls short

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

Grafana Cloud

  • Active Series (AS) billing model is difficult to predict and control; misconfiguration can cause sudden spikes and unexpected bills
  • Reduced control and customization compared to self-hosted Grafana instances
  • Data sovereignty concerns for organizations requiring on-premises data retention
  • Limited reporting types compared to traditional BI tools for compliance and audit requirements

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

Grafana Cloud

Free
  • FreeFree
    • 10k active series (metrics)
    • 50GB logs/traces per month
    • 3 active users
  • Pro$19/month
    • Usage-based pricing beyond free tier
    • 8 USD per active visualization user
    • Included Grafana Alerting
  • Enterprise$25000/year
    • Minimum annual commitment
    • Full-service deployment options
    • Premium support

K3s

Free
  • K3sFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Grafana Cloud if

  • You need grafana dashboards.
  • You want to start without paying.
  • You work on Web (Chrome, Edge, Firefox, Safari), API.
  • You also want prometheus metrics.
Grafana Cloud review

Choose K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is Grafana Cloud or K3s better?
Neither clearly leads. Grafana Cloud starts at Free and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grafana Cloud or K3s?
Grafana Cloud starts at Free and K3s at Free.
Does Grafana Cloud or K3s run on more platforms?
Grafana Cloud runs on Web (Chrome, Edge, Firefox, Safari), API. K3s runs on Linux, ARM, Self-hosted.
Can I use Grafana Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grafana Cloud best used for?
Grafana Cloud is most often used for infrastructure monitoring, application monitoring, log aggregation, distributed tracing. Of those, infrastructure monitoring and application monitoring are not what K3s is typically brought in for.
What can Grafana Cloud do that K3s cannot?
Grafana Cloud covers Grafana Dashboards, Prometheus Metrics, Loki Logs, Tempo Traces. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

Grafana Cloud: What are the exact limits of Grafana Cloud's free tier?

Grafana Cloud free tier includes 10,000 active series for metrics, 50GB logs and traces per month, 3 active visualization users, and 14-day retention with community support. No credit card required.

Source
K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher separately.

Grafana Cloud: How is Grafana Cloud billed, and what are the per-unit costs?

Grafana Cloud Pro tier starts at $19/month platform fee plus usage-based charges. Metrics cost $6.50 per 1,000 active series above free limits, logs and traces are charged per GB ingested, and visualization users are $8 per active user.

Source
K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

Grafana Cloud: Can I use Grafana Cloud for open-source Grafana deployments?

Grafana Cloud is the managed cloud service version. Open-source Grafana is free and can be self-hosted indefinitely on your own infrastructure.

Source
K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

Grafana Cloud: What observability signals does Grafana Cloud include?

Grafana Cloud includes metrics (via Mimir), logs (via Loki), traces (via Tempo), profiles, and synthetics, with unified querying and visualization across all signals.

Source
K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

Grafana Cloud: Does Grafana Cloud include alerting and how is it priced?

Yes, Grafana Alerting is included at no additional charge across all tiers. Rule storage, evaluation, and notification delivery are covered by the platform fee with no per-alert or per-notification fees.

Source
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