---
type: lookup
id: torch-2-9-1-cuda-12-6-3-12-8-1-12-9-1-13-0-0
asset: software-interface-version-compatibility
title: "Torch 2.9.1 + CUDA 12.6.3/12.8.1/12.9.1/13.0.0 — Software interface version compatibility"
sources:
  - https://medium.com/@vici0549/the-definitive-guide-to-pytorch-cuda-and-flash-attention-compatibility-ebec1161ec10
source_quote: "Torch 2.9.1 → CUDA 12.6.3, 12.8.1, 12.9.1, 13.0.0"
generated: true
verified: false
harvested: 2026-08-04
stale_after: 2026-10-03
product: "PyTorch"
pairing: "Torch 2.9.1 + CUDA 12.6.3/12.8.1/12.9.1/13.0.0"
software_version: "2.9.1"
dependency_version: "CUDA 12.6.3, 12.8.1, 12.9.1, 13.0.0"
unverified_fields: pairing, product
---
**Product:** PyTorch

**Version pairing:** Torch 2.9.1 + CUDA 12.6.3/12.8.1/12.9.1/13.0.0

**Software version:** 2.9.1

**Dependency version:** CUDA 12.6.3, 12.8.1, 12.9.1, 13.0.0

> Torch 2.9.1 → CUDA 12.6.3, 12.8.1, 12.9.1, 13.0.0

Source: <https://medium.com/@vici0549/the-definitive-guide-to-pytorch-cuda-and-flash-attention-compatibility-ebec1161ec10>