Karpenter can provision Spot Instances by setting the capacity type in a NodePool, which cuts compute cost sharply. The risk is interruption, so the pattern is to diversify instance types, handle the spot interruption signal gracefully, and fall back to on-demand when spot is unavailable, returning to spot when capacity stabilizes. The post Karpenter and Spot Instances: Cut Compute Cost Without Gambling on Reliability appeared first on Cast AI .