Google BigQuery and Azure Synapse are both powerful cloud-based data warehousing solutions, but they differ significantly in key areas such as architecture, scalability, pricing, integration options, and more. BigQuery is a fully managed, serverless platform with automatic scalability and distributed query execution, while Azure Synapse offers a hybrid approach of provisioned and serverless compute options. BigQuery follows a pay-as-you-go model, whereas Azure Synapse uses a combination of provisioned DWU resources and serverless options. Both platforms have strong compliance features and support machine learning integration, but they align with different sets of standards and certifications. Ultimately, the choice between BigQuery and Azure Synapse depends on an organization's specific needs and preferences.