//github.com/openai/kubernetes-ec2-autoscaler">autoscaler</a> to dynamically scale up and down our cluster. This lets us significantly reduce costs for idle nodes, while still providing low latency and rapid iteration."</p>

<p>In the past year, Berner has overseen the launch of several Kubernetes clusters in OpenAI's own data centers. "We run them in a hybrid model where the control planes—the Kubernetes API servers, <a href="https://github.com/coreos/etcd">etcd</a> and everything—are all in Azure, and