---
id: pr-vllm-30957
repo: vllm-project/vllm
pr: 30957
title: '[Feature]: Support NVIDIA ModelOpt HF FP8 variants FP8_PER_CHANNEL_PER_TOKEN and FP8_PB_WO  in vLLM'
author: CedricHwong
date: '2025-12-22'
url: https://github.com/vllm-project/vllm/pull/30957
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp8
- quantization
techniques: []
hardware_features:
- fp8
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 19cc9468fd0fa1701e7cb74b5928b329a1d16cf1
inclusion_reason: kernel file changes
changed_paths:
- docs/features/quantization/modelopt.md
- tests/quantization/test_modelopt.py
- vllm/config/model.py
- vllm/model_executor/layers/linear.py
- vllm/model_executor/layers/quantization/modelopt.py
head_ref_oid: 1a3ca138f4d6b1c8ba6349cf155ffda79f49b2f9
artifact_dir: evidence/pull-bundles/vllm/gh-30957
---
# [Feature]: Support NVIDIA ModelOpt HF FP8 variants FP8_PER_CHANNEL_PER_TOKEN and FP8_PB_WO  in vLLM

- Repository: `vllm-project/vllm`
- PR: [30957](https://github.com/vllm-project/vllm/pull/30957)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `docs/features/quantization/modelopt.md`
- `tests/quantization/test_modelopt.py`
- `vllm/config/model.py`
- `vllm/model_executor/layers/linear.py`
- `vllm/model_executor/layers/quantization/modelopt.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30957`
