---
id: pr-sglang-12482
repo: sgl-project/sglang
pr: 12482
title: Use sgl fp4 quant kernel by default
author: Qiaolin-Yu
date: '2025-11-01'
url: https://github.com/sgl-project/sglang/pull/12482
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 59cce5941a0fd3aad8edbfa46616c7cbda6a52cc
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/modelopt_quant.py
head_ref_oid: 12cd27009496ebe28496427198f6e56b0b29f560
artifact_dir: evidence/pull-bundles/sglang/gh-12482
---
# Use sgl fp4 quant kernel by default

- Repository: `sgl-project/sglang`
- PR: [12482](https://github.com/sgl-project/sglang/pull/12482)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12482`
