No matching torch==2.9.0.dev20250804+cu128 wheel for Python 3.12 – cannot install vllm==0.10.1+gptoss with official instructions

#165
by Sneha7 - opened

Hi team,

When following the official installation instructions for vllm==0.10.1+gptoss with Python 3.12 and CUDA 12.2, the installation fails because there is no torch==2.9.0.dev20250804+cu128 wheel published for cp312 (Python 3.12) in the referenced extra index (https://download.pytorch.org/whl/nightly/cu128/).

Steps to reproduce:

uv pip install --system --pre vllm==0.10.1+gptoss 
--extra-index-url https://wheels.vllm.ai/gpt-oss/ 
--extra-index-url https://download.pytorch.org/whl/nightly/cu128 
--index-strategy unsafe-best-match

Error:

ERROR: No matching distribution found for torch==2.9.0.dev20250804+cu128

  • Python version: 3.12
  • CUDA: 12.2
  • OS: (e.g., Ubuntu 22.04, cloud/container)
  • vllm: 0.10.1+gptoss

Expected behavior

Install should succeed following official instructions, as Python 3.12 is the officially supported version for gpt-oss.

Request

  • Please publish torch==2.9.0.dev20250804+cu128 wheels for Python 3.12 in the nightly or gpt-oss index, or clarify which torch version should be used for Python 3.12.
  • If not supported, please update README/installation instructions or provide the expected timeline for Python 3.12 support.

Thanks!

torch==2.9.0.dev20250804+cu128 wheels do not exist for Python 3.12 at the moment, but they do for Python 3.11. You can downgrade to Python 3.11 and retry installing torch in venv.

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