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ONNX

Contributor(s): Matthew Haughn

ONNX (Open Neural Network Exchange) is an open container format for the exchange of neural network models between different frameworks, providing they support ONNX import and export.

The ONNX project is a community collaboration between Microsoft and Facebook. The two companies recognized that although many great artificial intelligence (AI) tools exist, these creations are often locked in the framework or ecosystem they are born in. ONNX was designed to enable fledgling AI systems to leave the nest, increasing their potential application base by expanding their interoperability.

ONNX's container format allows neural networks to be switched between different cloud service providers or into private clouds. More portability makes it possible to use models in new places, to the developer's benefit, and increases the range of models available to Facebook and Microsoft. It may also foster innovation and speed development by facilitating sharing and collaboration among researchers.

ONNX  has announced support for chaining models with ONNX -Chainer, which enables increased portability of forward , backward and Markov chaining models. ONNX and ONNX-Chainer are available as free and open source Python packages from Github. ONNX partners include AMD, Intel, ARM, Nvidia, Huawei, IBM, Mediatek , Preferred Networks, Qualcom and Sophon.

This was last updated in April 2018

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