Depends on what exactly you are looking for.
In case your looking for :
Services: These are some common services offered by both the platforms. In terms of Services, AWS would be a better choice as the number of services offered by AWS is way more than offered by GCP. Services available on AWS is extremely broad and wide.
Price: You can also save more as the Billing for AWS is done on Per-Hour basis, whereas Google Cloud Platform provides billing on a Per-Second basis. Moreover, Google Offers additional discounts for Long-Term usage and there are no Upfront Costs too.
For a detailed comparison do have a look at :https://www.edureka.co/blog/google-cloud-vs-aws/