---
id: pr-sglang-7912
repo: sgl-project/sglang
pr: 7912
title: Qwen FP8/NVFP4 ModelOPT Quantization support
author: jingyu-ml
date: '2025-09-03'
url: https://github.com/sgl-project/sglang/pull/7912
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- fp8
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- fp8
- nvfp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: bcbeed714f377d46365132f900b075dc914f0010
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/modelopt_quant.py
- python/sglang/srt/models/qwen3.py
head_ref_oid: 1963bc6f1e58239e3690e981a5b5021ff353e607
artifact_dir: evidence/pull-bundles/sglang/gh-7912
---
# Qwen FP8/NVFP4 ModelOPT Quantization support

- Repository: `sgl-project/sglang`
- PR: [7912](https://github.com/sgl-project/sglang/pull/7912)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/quantization/modelopt_quant.py`
- `python/sglang/srt/models/qwen3.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-7912`
