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Open Neural Network Exchange

ONNX is an open ecosystem for interoperable AI models. It's a community project: we welcome your contributions!

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tutorials

Public

Tutorials for creating and using ONNX models

Jupyter Notebook 3.6k 651

onnx

Public

Open standard for machine learning interoperability

Python 19.8k 3.8k

models

Public

A collection of pre-trained, state-of-the-art models in the ONNX format

Jupyter Notebook 9.2k 1.5k

Showing 10 of 28 repositories

backend-scoreboard Public
Scoreboard for ONNX Backend Compatibility
onnx/backend-scoreboard’s past year of commit activity
Python 29Apache-2.0 30 3 4 UpdatedNov 6, 2025
ir-py Public
Efficient in-memory representation for ONNX, in Python
onnx/ir-py’s past year of commit activity
Python 32Apache-2.0 13 15 (4 issues need help) 6 UpdatedNov 5, 2025
steering-committee Public
Notes and artifacts from the ONNX steering committee
onnx/steering-committee’s past year of commit activity
Jupyter Notebook 27 22 0 0 UpdatedNov 6, 2025
onnx-mlir Public
Representation and Reference Lowering of ONNX Models in MLIR Compiler Infrastructure
onnx/onnx-mlir’s past year of commit activity
C++ 929Apache-2.0 374 290 (2 issues need help) 32 UpdatedNov 5, 2025
onnx Public
Open standard for machine learning interoperability
onnx/onnx’s past year of commit activity
Python 19,830Apache-2.0 3,822 237 (25 issues need help) 43 UpdatedNov 4, 2025
sklearn-onnx Public
Convert scikit-learn models and pipelines to ONNX
onnx/sklearn-onnx’s past year of commit activity
Python 598Apache-2.0 123 102 3 UpdatedNov 4, 2025
optimizer Public
ONNX Optimizer
onnx/optimizer’s past year of commit activity
C++ 770Apache-2.0 101 55 10 UpdatedNov 2, 2025
working-groups Public
Repository for ONNX working group artifacts
onnx/working-groups’s past year of commit activity
Jupyter Notebook 28Apache-2.0 41 2 4 UpdatedNov 2, 2025
sigs Public
Repository for ONNX SIG artifacts
onnx/sigs’s past year of commit activity
25Apache-2.0 35 0 1 UpdatedNov 1, 2025
models Public
A collection of pre-trained, state-of-the-art models in the ONNX format
onnx/models’s past year of commit activity
Jupyter Notebook 9,166Apache-2.0 1,531 201 11 UpdatedSep 17, 2025