Teaching computers to recognize patterns and make predictions without explicitly programming every step. Like teaching a child to recognize dogs by showing them many pictures of dogs.
Spotify uses machine learning to recommend songs based on what you've listened to before.
All four are managed machine learning platforms for building, training, tuning, and deploying models. They provide notebooks/IDEs, managed training jobs, model registries, deployment endpoints, and MLOps features; the main differences are ecosystem integrations, UI/SDK preferences, and pricing details.