Google Cloud Platform (GCP) offers a range of cloud computing services provided by Google. It includes infrastructure and platform services like computing power, storage, databases, machine learning, networking, and big data processing. GCP enables businesses to develop, deploy, and oversee applications and services on Google's scalable and dependable infrastructure. It rivals other cloud platforms such as Amazon Web Services (AWS) and Microsoft Azure, providing a diverse selection of services and tools designed for different industries and usage scenarios.