Earlier quoted context omitted.
That's a 2 year old blog post from the time when GCE was still in beta. Apart from that, noisy neighbors happen on any cloud platform, and as the author of the article said, those test were far from scientific.
http://robusttechhouse.com/google-prediction-api-review/ It ranked the worst comparing to AWS and Azure
I never said that they were any good, you just asked if it exists.
I personally don't know why one would use any of the GCE/AWS/Azure ML offerings apart for really small use cases (in which case you probably don't have enough data). Most businesses with an ML component (like my startup) need millions of predictions per day which would be crazy expensive on any of those platforms.