---
id: pr-sglang-11813
repo: sgl-project/sglang
pr: 11813
title: Use cutlass fp4 gemm by default
author: Qiaolin-Yu
date: '2025-10-18'
url: https://github.com/sgl-project/sglang/pull/11813
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- gemm
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: ebda73dc723ce822ede7b3e04dcb2f9f84216cc3
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/quantization/modelopt_quant.py
head_ref_oid: 5f36e60bab5611d0be23c4f9bd3aa43c9e05ee56
artifact_dir: evidence/pull-bundles/sglang/gh-11813
---
# Use cutlass fp4 gemm by default

- Repository: `sgl-project/sglang`
- PR: [11813](https://github.com/sgl-project/sglang/pull/11813)
- 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-11813`
