Core ML Model Format Specification

This document contains the protobuf message definitions that comprise the Core ML model document (.mlmodel) format. The top-level message is Model, which is defined in Model.proto. Other message types describe data structures, feature types, feature engineering model types, and predictive model types.

• Core ML Model
• Data Structures, Types and Parameters
• Feature Engineering
• Identity
• MILspec.Program
• NeuralNetwork
• Other Classifiers
• Other Models
• Other Regressors
• Support Vector Machine
• TreeEnsemble

Resources

• Guides and examples
• Core ML Tools (coremltools) API
• GitHub