Which Google Cloud product integrates the creation, deployment, and management of ML models in a unified platform?

Vertex AI is the correct choice as it offers a unified platform for the entire machine learning workflow, including the creation, deployment, and management of machine learning models. This integration is crucial for simplifying the ML process, allowing data scientists and engineers to focus on building models without having to manage disparate tools or platforms.

Vertex AI combines various services and tools that were previously separate, such as AutoML capabilities, models training infrastructure, and deployment options, into a single cohesive environment. This seamless integration enhances productivity and streamlines the process from data ingestion to model training, evaluation, and deployment.

In contrast, other options like Cloud AutoML provide a user-friendly interface for building ML models but do not offer the same level of integration for deployment and management. Cloud ML Engine, while useful for training and serving models, lacks the broader range of tools that Vertex AI encompasses. BigQuery ML allows SQL users to create and analyze machine learning models directly in BigQuery, but it does not support the full suite of model management and deployment capabilities found in Vertex AI.