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lmsys/
gpt-oss-120b-bf16

Name: gpt-oss-120b-bf16
Availability: InStock

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gpt_oss

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gpt-oss-120b-bf16

Model Introduction

This model is the bf16 version converted from openai/gpt-oss-120b.

Usage

You can use this model in SGLang with the following instructions.

Installation

# build from source
git clone https://github.com/sgl-project/sglang
cd sglang
pip3 install pip --upgrade
pip3 install -e "python[all]"

# ROCm 6.3
pip3 install torch==2.8.0 torchvision torchaudio --index-url https://download.pytorch.org/whl/test/rocm6.3
git clone https://github.com/triton-lang/triton
cd python/triton_kernels
pip3 install .

# hopper
pip3 install torch==2.8.0 torchvision torchaudio --index-url https://download.pytorch.org/whl/test/cu126
pip3 install sgl-kernel==0.3.2

# blackwell cu128
pip3 install torch==2.8.0 torchvision torchaudio --index-url https://download.pytorch.org/whl/test/cu128
pip3 install https://github.com/sgl-project/whl/releases/download/v0.3.2/sgl_kernel-0.3.2+cu128-cp39-abi3-manylinux2014_x86_64.whl

# blackwell cu129
pip3 install torch==2.8.0 torchvision torchaudio --index-url https://download.pytorch.org/whl/test/cu129
pip3 install https://github.com/sgl-project/whl/releases/download/v0.3.2/sgl_kernel-0.3.2-cp39-abi3-manylinux2014_x86_64.whl

Launch command

python3 -m sglang.launch_server --model lmsys/gpt-oss-120b-bf16 --tp 4

For more details

https://github.com/sgl-project/sglang/issues/8833