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ONNX Model Zoo

ONNX Model Zoo is a public GitHub repository cataloging pretrained machine-learning models in ONNX format, with model-specific documentation and examples for using sample data to compare inference outputs.

Independent OpenViST project profile, based on linked sources.

ONNX Model Zoo — OpenViST project profile in AI Models.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use the repository as a historical model catalog and documentation resource; follow its notice to Hugging Face when seeking models originally hosted there.

Who it is for

  • Developers exploring pretrained ONNX models for inference experiments
  • Researchers reviewing model examples and their supplied test data

Documented uses

  • Browse models across vision, language, speech, and other documented task areas.
  • Use model test inputs and reference outputs to compare results from an ONNX-capable backend.
  • Consult model usage documentation and inspect architectures with the suggested visualization tool.
Before you choose

Requirements & limits

The repository is public and licensed under Apache-2.0. Its notice says model files would no longer be available for LFS download starting July 1, 2025, and directs readers to Hugging Face for models originally hosted in the repository.

  • Model packages can include sample inputs and reference outputs in protobuf or NumPy formats.
  • Running the examples requires an ONNX-capable inference backend and adaptation of the README’s starter interface.
  • The repository is preserved for historical purposes, and its notice redirects model-file access to Hugging Face.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Validate an ONNX model with its sample data

Use a model package’s test inputs and reference outputs to compare results from an ONNX-capable inference backend.

Before you start

  • A model package containing model.onnx and test data in protobuf or NumPy format
  • Python, NumPy, ONNX utilities, and an inference backend that supports ONNX

Steps

  1. Obtain an available model and its accompanying test data; the repository notice directs users to the ONNX Model Zoo on Hugging Face for models originally hosted there.

  2. Load the model and sample inputs using the format-specific approach shown in the repository README.

  3. Run the model with an ONNX-capable backend, then compare its outputs with the supplied reference outputs.

Expected outcome

A comparison of backend outputs with the model package’s reference outputs for the supplied test data.

Guide limitations

  • The README presents starter code that must be adapted to the chosen backend’s model-evaluation interface.
  • The repository notice says LFS downloads from this repository would stop starting July 1, 2025.
COMPARE OPTIONS

Compare options for Model inference and serving

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
ONNX Model ZooBrowse models across vision, language, speech, and other documented task areas.The repository is public and licensed under Apache-2.0. Its notice says model files would no longer be available for LFS download starting July 1, 2025, and directs readers to Hugging Face for models originally hosted in the repository.
Pulse Of MotionEstimate a video's physical frame rate from its visual dynamics.LinuxThe repository is public. Its README describes a released checkpoint that downloads from Hugging Face on first inference, with a manual download option. The strongest internal model is not fully released; the README directs interested users to contact the project about access. No license information is provided in the repository evidence.
Neural Image AssessmentTrain the model using AVA images and rating annotations.Cloud, Linux, macOS, Windows
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
onnx/models · Official homepage title · retained in its source language