Comparison

K3s vs Portainer

No leader: the top candidate Portainer has only 0.32 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
K3s51
Portainer56
Score
Vioscale score
K3s51 / 100low · 46%
Portainer56 / 100low · 32%
Pricing
Free tier
K3s
Portainer
Model
Portainerfreemium
Price level
K3sfree
Portainerhigh
Transparent
K3s
Portainer
Integrations
Count
K3s9
Portainer18
Adoption
Dependent repos
K3s11
Portainer
Github stars
Portainer
Activity
Commits last 30d
K3s32
Portainer
Release
History
Portainer
License
Spdx
Portainer
Language
Primary
K3sGo
Portainer
Market

Capabilities

Feature-by-feature on the axes that matter for container orchestration tools. “-” means undocumented, not absent.

Core
Orchestration scope
K3sKubernetes
PortainerKubernetes
Deployment
Hosting
K3sSelf-hosted only
PortainerSelf-hosted only
Standards
OCI / CRI compliant
K3s-
Portainer-
CNCF Certified Kubernetes conformant
K3s
Portainer-
Security
Rootless operation
K3s
Portainer-
Architecture
Daemonless architecture
K3s-
Portainer-
Platform
Windows containers
K3s-
Portainer
ARM architecture support
K3s
Portainer-
Workloads
GPU scheduling
K3s-
Portainer-
Stateful workloads
K3s
Portainer-
Networking
Built-in networking / CNI
K3s
Portainer-
Ops
Vendor-managed control plane
K3s
Portainer-
Ecosystem
CNCF maturity
K3sSandbox
Portainer-
UX
GUI dashboard
K3s-
Portainer

What each one is

The product in its own terms, so the numbers below have context.

K3s

K3s is a certified Kubernetes implementation that maintains full conformance while streamlining deployment through bundled components, simplified storage options, and a single-binary installation model suitable for resource-constrained environments and edge computing scenarios.

Independently observed

Portainer

A container orchestration management platform that provides centralized governance, deployment automation, and operational control across multi-cluster Kubernetes, Docker Swarm, and edge environments. It enables IT and operations teams to manage containerized applications at scale with simplified workflows, role-based access control, and GitOps integration.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

K3s

Open sourceFree tier
as of verify ↗

Portainer

from $105/moSubscriptionFree tier

From $105/month. Business Edition free for 3 nodes. Annual commitment required.

  • Starter$105/month or $1045/year, annual commitment. Limited to organizations ≤$50M revenue.
    • Community support
    • Max 16 vCPUs per node
    • Online purchase only
  • Scale$209/month or $2095/year, annual commitment. Limited to organizations ≤$100M revenue.
    • 9x5 next business day support
    • Vendor onboarding
    • Reseller purchases
    • Max 24 vCPUs per node
  • EnterpriseContact sales
    • Prioritized 9x5 support
    • Production/Non-production node options
    • Customizable license agreement
    • Assigned support engineer
    • Security assessment report
    • +3 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
K3s
Portainer
Linux
K3s
Portainer
CLI
K3s
Portainer
Deployment
Cloud / SaaS
K3s
Portainer
Self-hosted
K3s
Portainer
On-premise
K3s
Portainer
Hybrid
K3s
Portainer
Air-gapped
K3s
Portainer

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Helm

K3s

9 total - 8 not shared
  • Traefik
  • CoreDNS
  • etcd
  • Local Path Provisioner
  • MariaDB
  • MySQL
  • PostgreSQL
  • SQLite
Independently observed

Portainer

18 total - 17 not shared
  • Active Directory
  • LDAP
  • OAuth
  • Git repositories
  • Kubernetes (EKS, AKS, GKE)
  • Docker
  • Swarm
  • Podman
  • Talos
  • Omni
  • S3-compatible storage
  • OPC connectivity
  • MQTT
  • Argo
  • Flux
  • Docker Hub
  • Matomo Analytics
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.