It's quite useful for batch jobs that are less time sensitive, because it means you're not paying for the server when it's not being used, and it will just turn on when you need it, which is going to save you cost. There are also a number of scripts for making API calls, simple API calls, OpenAI style or TGI style, function calling API calls if you want to test out function calling performance of a model. Then there are speed tests for single queries and multiple queries.