PyPI

onnxruntime

ONNX Runtime is a runtime accelerator for Machine Learning models

About

ai-frameworkdeep-learninghardware-accelerationmachine-learningneural-networksonnxpytorchscikit-learn

github.com/microsoft/onnxruntime onnxruntime.aiMITMicrosoft Corporation30.1M / week22.2k · 4.4k forks · 1k contributors

I'm on version…

Compares against 1.31.1 (latest stable)

Latest Stable1.31.1Oct 26, 2026

Release cadenceEvery 3 weeks

Last releaseOct 26, 2026

Open advisories0

Changelog quality97% curated

GitHub Releases, gaps for some releases

Release history SecurityYou're on

1.x

STABLE · RCPRE-RELEASE 2024AprJulOct2025AprJulOct2026AprJulOct

33 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version

onnxruntime 0.5 → 10.5.0 → 1.31.1Oct 26, 2026 Breaking219477373221218146 onnxruntime 0.4 → 0.50.4.0 → 0.5.0Aug 1, 2019 Unknown onnxruntime 0.3 → 0.40.3.0 → 0.4.0May 2, 2019 Unknown onnxruntime 0.2 → 0.30.2.1 → 0.3.0Mar 14, 2019 Unknown onnxruntime 0.1 → 0.20.1.4 → 0.2.1Feb 1, 2019 Unknown

VersionChannelDateChangesSecurity

1.31.1 StableOct 26, 2026No changes listed 1.31.0 StableOct 9, 20262512811162 1.30.0 youStableSep 10, 202682520214 1.29.0 StableAug 17, 2026261258162 1.28.0 StableJul 25, 2026333135203621 1.27.0 StableJun 15, 20261151358161 1.26.0 StableMay 8, 20262112098 1.25.1 StableApr 27, 2026422 1.25.0 StableApr 22, 20261113333276 1.24.4 StableMar 17, 20261132 1.24.3 StableMar 5, 2026141299 1.24.2 StableFeb 19, 202677 1.24.1 StableFeb 5, 20263322567 1.23.2 StableOct 22, 2025No notes published 1.23.1 StableOct 8, 2025545 1.23.0 StableSep 25, 202524 1.22.1 StableJul 10, 202513 1.22.0 StableMay 9, 202513243 1.21.1 StableApr 18, 2025124 1.21.0 StableMar 8, 20251231825