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Grafana Cloud vs Rook

Grafana Cloud logo

Grafana Cloud

Cloud

Composable observability platform

From
Free
Rated
-
Full reviewWebsite
Rook logo

Rook

Cloud

Kubernetes operator that deploys and manages Ceph storage clusters

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; Rook rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
  • They diverge on capability: Grafana Cloud covers Grafana Dashboards, Rook covers Ceph operator.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

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

Attributes where Grafana Cloud and Rook differ
AttributeGrafana CloudRook
Pricing modelUnknownOpen source, no licence fee
PlatformsWeb (Chrome, Edge, Firefox, Safari), APILinux, Kubernetes
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 Rook

  • Ceph operator
  • Block, file and object
  • Erasure coding
  • CSI driver
  • Automated upgrades
  • Multi-cluster mirroring

What people use each for

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

Grafana Cloud

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

Rook

  • An on-premises Kubernetes platform needing block, shared filesystem and S3 storage without buying three productsnot Grafana Cloud
  • A team that already runs Ceph and wants its lifecycle managed declaratively inside Kubernetesnot Grafana Cloud
  • A large cluster where three-way replication overhead is unaffordable and erasure coding is requirednot Grafana Cloud
  • An organisation building a private cloud that cannot use managed cloud storage services for residency reasonsnot 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

Rook

  • Rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
  • There is no vendor and no SLA; the realistic commercial support routes are IBM Red Hat OpenShift Data Foundation or an independent Ceph consultancy, both of which change the cost picture entirely.
  • Ceph is resource hungry, needing substantial memory and dedicated disks per OSD, so the hardware cost of a properly sized cluster is often underestimated.
  • Recovery and rebalancing after a disk or node failure generates heavy background input and output that can degrade application performance for hours, which surprises teams sizing for steady state.
  • Minimum viable clusters require several nodes with several disks each, so it is impractical at small scale and the entry hardware cost exceeds simpler alternatives.

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

Rook

Free
  • RookFree
    • Apache 2.0 licensed, no licence fee
    • Graduated CNCF project
    • Community support via GitHub and Slack only

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 Rook if

  • You need ceph operator.
  • You want to start without paying.
  • You work on Linux, Kubernetes.
  • You also want block, file and object.
Rook review

Questions people ask

Is Grafana Cloud or Rook better?
Neither clearly leads. Grafana Cloud starts at Free and Rook at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grafana Cloud or Rook?
Grafana Cloud starts at Free and Rook at Free.
Does Grafana Cloud or Rook run on more platforms?
Grafana Cloud runs on Web (Chrome, Edge, Firefox, Safari), API. Rook runs on Linux, Kubernetes.
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 Rook is typically brought in for.
What can Grafana Cloud do that Rook cannot?
Grafana Cloud covers Grafana Dashboards, Prometheus Metrics, Loki Logs, Tempo Traces. Rook covers Ceph operator, Block, file and object, Erasure coding, CSI driver.

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
Rook: Who supports it in production?

Nobody by default. IBM sells Red Hat OpenShift Data Foundation, which is supported Rook and Ceph, and independent consultancies sell Ceph support. Decide this before deployment.

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
Rook: Does it need Ceph knowledge?

Yes. Rook handles deployment and routine operations, but troubleshooting a degraded cluster is a Ceph skill and there is no way around it.

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
Rook: Can it replace an object storage appliance?

Functionally yes, through the RADOS gateway, but you take on the operations that an appliance vendor would otherwise carry.

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
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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