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ONNX API Reference

Python API reference for ONNX 1.23.0, covering versioning, protobuf data structures, serialization helpers, and model utilities.

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Field note

What it does

Comprehensive Python API for creating, manipulating, and serializing ONNX models. Includes helpers for backend, checker, composition, definitions, external data, numpy conversion, parsing, printing, reference implementation, shape inference, and version conversion.

Capabilities

Available capabilities

Protobuf serializationShape inferenceModel creation helpersVersioningVersion ConversionReference implementation

Tags

Tags

PythonModel InterchangeDeep Learning

Ways to use it

Ways to use it

pypi

python / onnx

Product features

Product features

Helper functions to make ONNX graph components ¶

onnx.helper ¶

Other functions ¶

Tools ¶

Type Mappings ¶