Amazon EKS Auto Mode: How AWS Finally Solved the Node Management Problem

EKS Auto Mode reached GA in January 2025, promising to eliminate worker node management overhead from Kubernetes operations. Fourteen months later, this is the practitioner verdict: what Auto Mode actually manages, where the Karpenter relationship stands, the real migration path from Managed Node Groups, honest cost benchmarks, and the specific workload categories for which Auto Mode is not the answer.

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