Libraries Transformers How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with Transformers:
# Use a pipeline as a high-level helper
from transformers import pipeline
pipe = pipeline("text-generation", model="syntaxgeek/gpt-oss-120b-mlx-4Bit")
messages = [
{"role": "user", "content": "Who are you?"},
]
pipe(messages) # Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM
tokenizer = AutoTokenizer.from_pretrained("syntaxgeek/gpt-oss-120b-mlx-4Bit")
model = AutoModelForCausalLM.from_pretrained("syntaxgeek/gpt-oss-120b-mlx-4Bit", device_map="auto")
messages = [
{"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
messages,
add_generation_prompt=True,
tokenize=True,
return_dict=True,
return_tensors="pt",
).to(model.device)
outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:])) MLX How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with MLX:
# Make sure mlx-lm is installed
# pip install --upgrade mlx-lm
# Generate text with mlx-lm
from mlx_lm import load, generate
model, tokenizer = load("syntaxgeek/gpt-oss-120b-mlx-4Bit")
prompt = "Write a story about Einstein"
messages = [{"role": "user", "content": prompt}]
prompt = tokenizer.apply_chat_template(
messages, add_generation_prompt=True
)
text = generate(model, tokenizer, prompt=prompt, verbose=True) Notebooks Google Colab Kaggle Local Apps Settings LM Studio vLLM How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with vLLM:
Install from pip and serve model # Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "syntaxgeek/gpt-oss-120b-mlx-4Bit"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "syntaxgeek/gpt-oss-120b-mlx-4Bit",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}' Use Docker docker model run hf.co/syntaxgeek/gpt-oss-120b-mlx-4Bit SGLang How to use syntaxgeek/gpt-oss-120b-mlx-4Bit 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 "syntaxgeek/gpt-oss-120b-mlx-4Bit" \
--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": "syntaxgeek/gpt-oss-120b-mlx-4Bit",
"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 "syntaxgeek/gpt-oss-120b-mlx-4Bit" \
--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": "syntaxgeek/gpt-oss-120b-mlx-4Bit",
"messages": [
{
"role": "user",
"content": "What is the capital of France?"
}
]
}' Pi How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with Pi:
Start the MLX server # Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "syntaxgeek/gpt-oss-120b-mlx-4Bit" Configure the model in Pi # Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
"providers": {
"mlx-lm": {
"baseUrl": "http://localhost:8080/v1",
"api": "openai-completions",
"apiKey": "none",
"models": [
{
"id": "syntaxgeek/gpt-oss-120b-mlx-4Bit"
}
]
}
}
} Run Pi # Start Pi in your project directory:
pi OpenClaw new How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with OpenClaw:
Start the MLX server # Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "syntaxgeek/gpt-oss-120b-mlx-4Bit" Configure OpenClaw # Install OpenClaw:
npm install -g openclaw@latest
# Register the local server and set it as the default model:
openclaw onboard --non-interactive --mode local \
--auth-choice custom-api-key \
--custom-base-url http://127.0.0.1:8080/v1 \
--custom-model-id "syntaxgeek/gpt-oss-120b-mlx-4Bit" \
--custom-provider-id mlx-lm \
--custom-compatibility openai \
--custom-text-input \
--accept-risk \
--skip-health Run OpenClaw openclaw agent --local --agent main --message "Hello from Hugging Face" MLX LM How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with MLX LM:
Generate or start a chat session # Install MLX LM
uv tool install mlx-lm
# Interactive chat REPL
mlx_lm.chat --model "syntaxgeek/gpt-oss-120b-mlx-4Bit" Run an OpenAI-compatible server # Install MLX LM
uv tool install mlx-lm
# Start the server
mlx_lm.server --model "syntaxgeek/gpt-oss-120b-mlx-4Bit"
# Calling the OpenAI-compatible server with curl
curl -X POST "http://localhost:8000/v1/chat/completions" \
-H "Content-Type: application/json" \
--data '{
"model": "syntaxgeek/gpt-oss-120b-mlx-4Bit",
"messages": [
{"role": "user", "content": "Hello"}
]
}' Docker Model Runner How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with Docker Model Runner:
docker model run hf.co/syntaxgeek/gpt-oss-120b-mlx-4Bit Hermes Agent How to use syntaxgeek/gpt-oss-120b-mlx-4Bit with Hermes Agent:
Start the MLX server # Install MLX LM:
uv tool install mlx-lm
# Start a local OpenAI-compatible server:
mlx_lm.server --model "syntaxgeek/gpt-oss-120b-mlx-4Bit" 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 syntaxgeek/gpt-oss-120b-mlx-4Bit Run Hermes hermes Atomic Chat 
