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ONNX Runtime
Active
Libraries & SDKs Latest Version: 1.26.0 Latest Release: May 8, 2026
ONNX Runtime is Microsoft's cross-platform inference and training accelerator for ONNX models. Only the latest minor is actively serviced. Latest 1.26 provides wheels for Python 3.11-3.14; since 1.20 the minimum Python is 3.10. onnxruntime-gpu defaults to CUDA 12.x (since 1.19).
Versions
10
Latest Version
1.26.0
Active Support
1
EOL
9
Lifecycle Timeline
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1.26
1.26
1.25
1.25
1.24
1.24
1.23
1.23
1.22
1.22
1.21
1.21
1.20
1.20
1.19
1.19
1.18
1.18
1.17
1.17
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 1.26 | May 8, 2026 | Yes | No | 1.26.0 | No | Active |
| 1.25 | Apr 22, 2026 | No | Yes | 1.25.1 | No | EOL |
| 1.24 | Feb 5, 2026 | No | Yes | 1.24.4 | No | EOL |
| 1.23 | Sep 25, 2025 | No | Yes | 1.23.2 | No | EOL |
| 1.22 | May 9, 2025 | No | Yes | 1.22.2 | No | EOL |
| 1.21 | Mar 8, 2025 | No | Yes | 1.21.1 | No | EOL |
| 1.20 | Nov 1, 2024 | No | Yes | 1.20.2 | No | EOL |
| 1.19 | Aug 19, 2024 | No | Yes | 1.19.2 | No | EOL |
| 1.18 | May 20, 2024 | No | Yes | 1.18.1 | No | EOL |
| 1.17 | Jan 31, 2024 | No | Yes | 1.17.3 | No | EOL |
Frequently Asked Questions
Which versions of ONNX Runtime have reached end of life?
The following ONNX Runtime versions have reached end of life and no longer receive security updates: 1.25, 1.24, 1.23, 1.22, 1.21, 1.20, 1.19, 1.18 (and 1 more). It is recommended to upgrade to a supported version.
Is it safe to continue using ONNX Runtime 1.25?
ONNX Runtime 1.25 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of ONNX Runtime?
The latest version of ONNX Runtime is 1.26.0, released in the 1.26 release cycle.
How many versions of ONNX Runtime are currently supported?
ONNX Runtime currently has 1 actively supported version(s): 1.26.
When does ONNX Runtime 1.26 reach end of life?
ONNX Runtime 1.26 does not have a specific end-of-life date announced yet.
What should I do when ONNX Runtime reaches end of life?
When a ONNX Runtime version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.