Core AI vs Core ML vs MLX

Key concepts

• Core ML, Core AI, and MLX are three Apple tools. They are not the same stack.
• Core ML ships classic models in apps. Core AI ships custom neural or generative models on OS 27 or later.
• MLX trains and tests on a Mac. You export before you ship.
• Foundation Models is Apple's system language-model API. It is not a path for your own trained file.

Takeaways

• You can pick one stack from OS target, model job, and whether you are training or shipping.
• You can say one job for each name without swapping them.
• You know the sibling courses for shapes, catalog presets, and the PyTorch to Core AI build.