---
id: pr-sglang-6853
repo: sgl-project/sglang
pr: 6853
title: '[DeepseekR1-FP4] Add Support for nvidia/DeepSeekR1-FP4 model'
author: pavanimajety
date: '2025-06-08'
url: https://github.com/sgl-project/sglang/pull/6853
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: c2c4f57f6311ba143c6156ab1d1a1d9413e6e4d0
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/quantization/modelopt_quant.py
- python/sglang/srt/models/deepseek_v2.py
head_ref_oid: 1d54c423d59c1ddb0d53fc6a8148d8d8dc36c927
artifact_dir: evidence/pull-bundles/sglang/gh-6853
---
# [DeepseekR1-FP4] Add Support for nvidia/DeepSeekR1-FP4 model

- Repository: `sgl-project/sglang`
- PR: [6853](https://github.com/sgl-project/sglang/pull/6853)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/quantization/modelopt_quant.py`
- `python/sglang/srt/models/deepseek_v2.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-6853`
