Cluster API vs Gardener

Cluster API

5.1 #13 in Kubernetes Management Platforms

About Cluster API

Gardener

6.8 #7 in Kubernetes Management Platforms

About Gardener
Cluster APIGardener
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsWindows, macOS, Linuxapi, self-hosted, Web
Control plane managementcustomer-managedvendor-managed
Supported environmentsAWS, Azure, Azure Stack HCI, CloudStack, DigitalOcean, GCP, IBM Cloud, KubeVirt, Metal3, Nutanix, OCI, OpenStack, Outscale, Proxmox, vSphere, VMware Cloud Director, and other provider environmentsAlibaba Cloud, AWS, Azure, Equinix Metal, GCP, Hetzner Cloud, IronCore, KubeVirt, metal-stack, OpenStack, STACKIT, vSphere
Cluster provisioningYesYes
Multi-cluster managementYesYes
Upgrade managementYesYes
Policy enforcement—Yes

Both are listed in Best Kubernetes Management Platforms. On Inferse, Gardener scores higher on our published basis.