Google Cloud Platform Blog: Introducing Preemptible VMs, a new class of compute available at 70% off standard pricing
http://googlecloudplatform.blogspot.jp/2015/05/Introducing-Preemptible-VMs-a-new-class-of-compute-available-at-70-off-standard-pricing.html
"$0.01 per core hour"って言ってるな。安い。
EC2 spot instanceの対抗馬か。