At a first read, it sounded like you didn't need to run a cluster ("Spectrum scales to thousands of instances"), which is BigQuery's big advantage. Later, it sa

At a first read, it sounded like you didn't need to run a cluster ("Spectrum scales to thousands of instances"), which is BigQuery's big advantage. Later, it says that you still need a cluster, but it's only used in the final processing stages. So it looks like it's 3/4 of the way to BQ.