Google Cloud Platform, offered by Google, is a suite of cloud computing services that run on the same infrastructure that Google uses internally for its products, such as Google Search, Gmail, Google Drive, YouTube, and Maps etc..
It provides a series of modular cloud services including computing, data storage, data analytics, and machine learning.
To manage all these together, Google built an end-to-end secure and scalable infrastructure which is termed as Google Cloud Platform [GCP]
Google work on the pay-as-you-go model. GCP helps business reliably scale up.