Instructions to use bobchenyx/gpt-oss-120b-GGUF with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use bobchenyx/gpt-oss-120b-GGUF with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="bobchenyx/gpt-oss-120b-GGUF")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoModel
model = AutoModel.from_pretrained("bobchenyx/gpt-oss-120b-GGUF", dtype="auto")

llama-cpp-python

How to use bobchenyx/gpt-oss-120b-GGUF with llama-cpp-python:

# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="bobchenyx/gpt-oss-120b-GGUF",
	filename="gpt-oss-120b-MXFP4_MOE/gpt-oss-120b-MXFP4_MOE-00001-of-00002.gguf",
)

llm.create_chat_completion(
	messages = [
		{
			"role": "user",
			"content": "What is the capital of France?"
		}
	]
)

Notebooks
Google Colab
Kaggle
Local Apps Settings

llama.cpp

How to use bobchenyx/gpt-oss-120b-GGUF with llama.cpp:

Install from brew

brew install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
# Run inference directly in the terminal:
llama-cli -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
# Run inference directly in the terminal:
llama-cli -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Use pre-built binary

# Download pre-built binary from:
# https://github.com/ggerganov/llama.cpp/releases
# Start a local OpenAI-compatible server with a web UI:
./llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
# Run inference directly in the terminal:
./llama-cli -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Build from source code

git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-server llama-cli
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
# Run inference directly in the terminal:
./build/bin/llama-cli -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Use Docker

docker model run hf.co/bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

LM Studio
Jan

vLLM

How to use bobchenyx/gpt-oss-120b-GGUF with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "bobchenyx/gpt-oss-120b-GGUF"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bobchenyx/gpt-oss-120b-GGUF",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

SGLang

How to use bobchenyx/gpt-oss-120b-GGUF with SGLang:

Install from pip and serve model

# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "bobchenyx/gpt-oss-120b-GGUF" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bobchenyx/gpt-oss-120b-GGUF",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker images

docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "bobchenyx/gpt-oss-120b-GGUF" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bobchenyx/gpt-oss-120b-GGUF",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Ollama
How to use bobchenyx/gpt-oss-120b-GGUF with Ollama:
```
ollama run hf.co/bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
```

Unsloth Studio

How to use bobchenyx/gpt-oss-120b-GGUF with Unsloth Studio:

Install Unsloth Studio (macOS, Linux, WSL)

curl -fsSL https://unsloth.ai/install.sh | sh
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for bobchenyx/gpt-oss-120b-GGUF to start chatting

Install Unsloth Studio (Windows)

irm https://unsloth.ai/install.ps1 | iex
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for bobchenyx/gpt-oss-120b-GGUF to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for bobchenyx/gpt-oss-120b-GGUF to start chatting

How to use bobchenyx/gpt-oss-120b-GGUF with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Configure the model in Pi

# Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "llama-cpp": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use bobchenyx/gpt-oss-120b-GGUF with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Configure Hermes

# Install Hermes:
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash
hermes setup
# Point Hermes at the local server:
hermes config set model.provider custom
hermes config set model.base_url http://127.0.0.1:8080/v1
hermes config set model.default bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Run Hermes

hermes

Atomic Chat new
Docker Model Runner
How to use bobchenyx/gpt-oss-120b-GGUF with Docker Model Runner:
```
docker model run hf.co/bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE
```

Lemonade

How to use bobchenyx/gpt-oss-120b-GGUF with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull bobchenyx/gpt-oss-120b-GGUF:MXFP4_MOE

Run and chat with the model

lemonade run user.gpt-oss-120b-GGUF-MXFP4_MOE

List all available models

lemonade list

Llamacpp Quantizations of gpt-oss-120b

Original model: Adopting F16 from unsloth/gpt-oss-120b-GGUF.

MXFP4_MOE quant made with update in this PR llama.cpp #15091

MXFP4_MOE : 59.02 GiB (4.34 BPW)

Download(Example)

# !pip install huggingface_hub hf_transfer
import os
os.environ["HF_HUB_ENABLE_HF_TRANSFER"] = "1"
from huggingface_hub import snapshot_download
snapshot_download(
    repo_id = "bobchenyx/gpt-oss-120b-GGUF",
    local_dir = "bobchenyx/gpt-oss-120b-GGUF",
    allow_patterns = ["*MXFP4_MOE*"],
)

Downloads last month: 4

GGUF

Model size

117B params

Architecture

gpt-oss

Hardware compatibility

4-bit

Model tree for bobchenyx/gpt-oss-120b-GGUF

Base model

openai/gpt-oss-120b

Quantized

(110)

this model

Collection including bobchenyx/gpt-oss-120b-GGUF

gpt-oss

Collection

OpenAI's gpt-oss-20b and gpt-oss-120b • 2 items • Updated Dec 1, 2025