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Cloud · head to head

K3s vs Nomad

K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Nomad logo

Nomad

Cloud

Flexible workload orchestration

From
Free
Rated
-

The short version

  • Each has a real cost: K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity; Nomad nomad 1.7.0 and later is licensed under the Business Source License 1.1 with IBM Corporation as licensor, not an OSI open source licence
  • They diverge on capability: K3s covers Single binary, Nomad covers Container orchestration.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which K3s and Nomad actually diverge.

Attributes where K3s and Nomad differ
AttributeK3sNomad
Pricing modelOpen source, no licence feeopen-source
PlatformsLinux, ARM, Self-hostedLinux, Windows, Mac, Cloud
FoundedUnknown2015

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 K3s

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

Only in Nomad

  • Container orchestration
  • Job scheduling
  • Multi-cloud support
  • Auto-scaling
  • Service discovery
  • Rolling deployments
  • Monitoring integration
  • High availability

What people use each for

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

K3s

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

Nomad

  • Container and workload orchestration across infrastructurenot K3s
  • Multi-region application deploymentnot K3s
  • Flexible scheduling for batch jobs and servicesnot K3s

Where each one falls short

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

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

Nomad

  • Nomad 1.7.0 and later is licensed under the Business Source License 1.1 with IBM Corporation as licensor, not an OSI open source licence
  • The Additional Use Grant forbids offering Nomad to third parties on a hosted or embedded basis in a paid product that competes with IBM's paid versions
  • Each version converts to MPL 2.0 only four years after that version is published
  • Resource quotas, Sentinel policies and audit logging sit in a Governance and Policy add-on module that is separate from the Enterprise base platform package
  • Multi-region deployments, multiple Vault namespaces and Nomad Autopilot advanced server management require Nomad Enterprise

Pricing, plan by plan

K3s

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

Nomad

Free
  • Open SourceFree
    • Workload orchestration
    • Multi-cloud
    • Flexible scheduling

Which should you pick?

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.

Choose Nomad if

  • You need container orchestration.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Cloud.
  • You also want job scheduling.

Questions people ask

Is K3s or Nomad better?
Neither clearly leads. K3s starts at Free and Nomad at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, K3s or Nomad?
K3s starts at Free and Nomad at Free.
Does K3s or Nomad run on more platforms?
K3s runs on Linux, ARM, Self-hosted. Nomad runs on Linux, Windows, Mac, Cloud.
Can I use K3s for free?
Both have a free tier, so you can try either at no cost before committing.
What is K3s best used for?
K3s is most often used for kubernetes on edge sites and iot hardware where full clusters will not fit, development and ci clusters that must start fast and cost nothing, small production clusters where full kubernetes is more operations than the workload justifies, teaching and learning kubernetes without cloud spend. Of those, kubernetes on edge sites and iot hardware where full clusters will not fit and development and ci clusters that must start fast and cost nothing are not what Nomad is typically brought in for.
What can K3s do that Nomad cannot?
K3s covers Single binary, SQLite by default, Certified conformant, Batteries included. Nomad covers Container orchestration, Job scheduling, Multi-cloud support, Auto-scaling.

Answered from the vendors’ own pages

K3s: Is K3s free?

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

Nomad: Is HashiCorp Nomad free?

HashiCorp Nomad is open source and free to use. Commercial enterprise support and hosting options may be available through HashiCorp, but the core product is free.

Source
K3s: Is K3s real Kubernetes?

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

Nomad: Does HashiCorp Nomad have a pricing model?

Nomad is open source software with no published pricing tiers. HashiCorp offers commercial hosting and support for their products on a usage-based or custom pricing model, but Nomad itself is free to download and deploy.

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.

Nomad: What is HashiCorp's pricing model for enterprise Nomad?

HashiCorp offers flexible pricing for enterprise Nomad support including pay-as-you-go (PAYG) billing with no long-term commitment, flex plans with preferred pricing, and enterprise self-managed plans. Contact HashiCorp sales for custom quotes.

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.

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