cuDNN 9.21.0 for CUDA 12.x

For cuDNN 9.21.0 for CUDA 12.x, product is cuDNN; software version is 9.21.0; dependency version is CUDA 12.x; minimum nvidia driver (linux) is >=525.60.13; minimum nvidia driver (windows) is >=527.41, recorded from its source on 2026-08-27; source re-checked 2026-10-27.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

cuDNN 9.21.0 for CUDA 12.x | 12.9 12.8 12.6 12.5 12.4 12.3 12.2 12.1 12.0 | Yes | >=525.60.13 | >=527.41

— docs.nvidia.com, retrieved 2026-08-27

Source

• docs.nvidia.comhttps://docs.nvidia.com/deeplearning/cudnn/backend/v9.21.0/reference/support-matrix.html

Last verified against source: 2026-10-27. Due for re-check by 2026-12-26. This page as Markdown · OKF bundle · full dataset as JSON.