As a client or as an end user, I would say that Google Cloud Storage or Google Cloud are cheaper than Amazon MQ. From the marketing point of view, the tool's pricing area needs to be looked into. Amazon MQ isn't a cheap tool. Google Cloud offers cheaply priced tools. After Google Cloud, Azure offers cheaply priced tools.
As a client or as an end user, I would say that Google Cloud Storage or Google Cloud are cheaper than Amazon MQ. From the marketing point of view, the tool's pricing area needs to be looked into. Amazon MQ isn't a cheap tool. Google Cloud offers cheaply priced tools. After Google Cloud, Azure offers cheaply priced tools.
Depending on your use cases, Amazon MQ can be cheap or expensive.