AWS EKS vs Self-Managed Kubernetes in 2026: Which to Choose

EKS is not free Kubernetes — it costs $0.10/hour per cluster ($72/month) before any nodes. Self-managed Kubernetes on EC2 is "free" but requires you to maintain the control plane. Here is an honest comparison.

Quick Comparison

EKS: What You Get

Managed control plane. AWS runs the API server, scheduler, and controller manager across multiple AZs. You never touch them. If an API server crashes, AWS fixes it.

Automatic etcd backups. The etcd database (your cluster state) is backed up automatically. If the control plane dies, AWS restores it.

Native AWS integrations:

• ALB Ingress Controller — creates AWS Load Balancers from Ingress objects
• EBS CSI Driver — creates EBS volumes from PVCs automatically
• IRSA (IAM Roles for Service Accounts) — pods get AWS IAM permissions without access keys
• VPC CNI — pods get real VPC IP addresses

# Create EKS cluster in 20 minutes
eksctl create cluster \
  --name production \
  --version 1.30 \
  --region ap-south-1 \
  --nodegroup-name standard \
  --node-type t3.medium \
  --nodes 3 \
  --nodes-min 2 \
  --nodes-max 10 \
  --managed

EKS Managed Node Groups handle node upgrades, AMI rotation, and node replacement automatically.

EKS Limitations

No access to control plane. You cannot SSH into the API server, change etcd configs, or customize the scheduler policy.

Upgrade lag. EKS supports Kubernetes versions slightly behind the upstream release. EKS deprecates old versions on a fixed schedule — you must upgrade or your cluster reaches end of support.

Cost at scale. $72/month control plane + EKS managed nodes (slightly more expensive than raw EC2) + Load Balancers + EBS add up faster than self-managed for very large deployments.

Self-Managed: What You Get

Full control. Want to run a custom scheduler? Custom admission controller? Custom etcd configuration? Self-managed gives you root access to everything.

Cost at very large scale. For 500+ nodes, the control plane cost becomes negligible and raw EC2 pricing vs EKS managed nodes saves money.

kubeadm-based clusters:

# Control plane (3 nodes for HA)
sudo kubeadm init --control-plane-endpoint "k8s.internal:6443" \
  --upload-certs \
  --pod-network-cidr=10.244.0.0/16
 
# Workers
sudo kubeadm join k8s.internal:6443 --token <token> \
  --discovery-token-ca-cert-hash sha256:<hash>

Self-Managed Operational Burden

What you own:

• etcd backups — write scripts, store in S3, test restores
• Control plane upgrades — drain master, upgrade kubeadm, upgrade apiserver, upgrade etcd, uncordon
• Certificate rotation — kubeadm certificates expire after 1 year
• Control plane HA — load balancer in front of 3 API servers, etcd quorum
• Security patching — OS patches, container runtime updates, Kubernetes CVE fixes

For a 3-person DevOps team, this is 10-20 hours/month of maintenance.

Cost Comparison at Different Scales

10 nodes (small team)

EKS wins at small scale when you factor in engineer time.

200 nodes (medium company)

EKS still wins significantly.

1000+ nodes

At extreme scale, some companies run self-managed because:

• Custom network plugins (non-VPC CNI)
• Compliance requirements for control plane access
• Hybrid cloud with non-AWS nodes

Verdict: Use EKS Unless You Have a Reason Not To

Use EKS if:

• You are on AWS (obvious choice)
• Team has fewer than 5 dedicated infrastructure engineers
• You want native AWS service integrations
• You cannot afford control plane downtime

Consider self-managed if:

• You have specific compliance requirements that require control plane access
• You need features EKS does not support (custom scheduler, specific etcd version)
• You are running on bare metal or non-AWS infrastructure
• You are at extreme scale (1000+ nodes) and the economics work out

The operational cost of running Kubernetes yourself is consistently underestimated. EKS at $72/month is one of the best infrastructure deals in DevOps.

More EKS guides? Read our EKS pods stuck in Pending fix and EKS cost optimization with Karpenter.