# cuDNN Frontend 1.26.0 + cuDNN backend v8.5.0+ — Software interface version compatibility

For cuDNN Frontend 1.26.0 + cuDNN backend v8.5.0+, product is cuDNN; software version is Frontend 1.26.0; dependency version is backend v8.5.0+, recorded from its source on 2026-08-04.

- **Product:** cuDNN
- **Version pairing:** cuDNN Frontend 1.26.0 + cuDNN backend v8.5.0+ _(unconfirmed — we could not tie this to the quote below)_
- **Software version:** Frontend 1.26.0
- **Dependency version:** backend v8.5.0+ _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> cuDNN Frontend 1.26.0 is supported by cuDNN backend versions starting with v8.5.0

## Source

- https://docs.nvidia.com/deeplearning/cudnn/latest/reference/support-matrix.html

Last verified: 2026-08-04. Review by: 2026-10-03.
Part of [Software interface version compatibility](https://referencesource.org/software-interface-version-compatibility/).