It was recently announced that you can save up to 28% on your workloads by optimizing your Azure Synapse Analytics costs with pre-purchase plans. This is done by simply pre-paying for Azure Synapse compute for one year.
It is available across all generally available core capabilities except for Synapse storage. It can be used at any time across any workload, meaning you can use a single consumption model for a wide range of tasks across your data teams.
You can find out more here, and how to get started with pre-paid plans: Optimize Azure Synapse Analytics costs with a Pre-Purchase Plan | Microsoft Docs