---
type: lookup
id: pytorch-2-1-1-cuda-11-8
asset: software-interface-version-compatibility
title: "PyTorch 2.1.1 + CUDA 11.8 — Software interface version compatibility"
sources:
  - https://www.felixsanz.dev/articles/compatibility-between-pytorch-cuda-and-xformers-versions
source_quote: "PyTorch 2.1.1 supports CUDA 11.8 and CUDA 12.1"
generated: true
harvested: 2026-08-05
stale_after: 2026-10-04
product: "PyTorch"
pairing: "PyTorch 2.1.1 + CUDA 11.8"
software_version: "2.1.1"
dependency_version: "11.8"
verified: true
---
**Product:** PyTorch

**Version pairing:** PyTorch 2.1.1 + CUDA 11.8

**Software version:** 2.1.1

**Dependency version:** 11.8

> PyTorch 2.1.1 supports CUDA 11.8 and CUDA 12.1

Source: <https://www.felixsanz.dev/articles/compatibility-between-pytorch-cuda-and-xformers-versions>