Instructions to use WithinUsAI/Hunyuan-PythonGOD-0.5B with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use WithinUsAI/Hunyuan-PythonGOD-0.5B with Transformers:

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

pipe = pipeline("text-generation", model="WithinUsAI/Hunyuan-PythonGOD-0.5B")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)

# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("WithinUsAI/Hunyuan-PythonGOD-0.5B")
model = AutoModelForCausalLM.from_pretrained("WithinUsAI/Hunyuan-PythonGOD-0.5B")
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]:]))

Notebooks
Google Colab
Kaggle
Local Apps

vLLM

How to use WithinUsAI/Hunyuan-PythonGOD-0.5B with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "WithinUsAI/Hunyuan-PythonGOD-0.5B"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "WithinUsAI/Hunyuan-PythonGOD-0.5B",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/WithinUsAI/Hunyuan-PythonGOD-0.5B

SGLang

How to use WithinUsAI/Hunyuan-PythonGOD-0.5B 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 "WithinUsAI/Hunyuan-PythonGOD-0.5B" \
    --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": "WithinUsAI/Hunyuan-PythonGOD-0.5B",
		"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 "WithinUsAI/Hunyuan-PythonGOD-0.5B" \
        --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": "WithinUsAI/Hunyuan-PythonGOD-0.5B",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Docker Model Runner
How to use WithinUsAI/Hunyuan-PythonGOD-0.5B with Docker Model Runner:
```
docker model run hf.co/WithinUsAI/Hunyuan-PythonGOD-0.5B
```

Hunyuan-PythonGOD-0.5B / config.json

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Upload dual-GPU DeepSpeed full finetune of Hunyuan-0.5B-Instruct

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	{
	"add_classification_head": false,
	"architectures": [
	"HunYuanDenseV1ForCausalLM"
	],
	"attention_bias": false,
	"attention_dropout": 0.0,
	"attention_head_dim": 128,
	"bos_token_id": 1,
	"cla_share_factor": 2,
	"class_num": 0,
	"context_window": 262144,
	"dense_list": [
	1024,
	0
	],
	"eos_token_id": 120020,
	"head_dim": 128,
	"hidden_act": "silu",
	"hidden_size": 1024,
	"im_end_id": 5,
	"im_newline_id": 11,
	"im_start_id": 4,
	"initializer_range": 0.02,
	"intermediate_size": 3584,
	"mask_init_id": 12,
	"max_position_embeddings": 262144,
	"mlp_bias": false,
	"model_max_length": 262144,
	"model_type": "hunyuan_v1_dense",
	"norm_type": "rms",
	"num_attention_heads": 16,
	"num_hidden_layers": 24,
	"num_key_value_heads": 8,
	"org_vocab_size": 120818,
	"pad_id": 120002,
	"pad_token_id": 120002,
	"pool_type": "last",
	"pretraining_tp": 1,
	"rms_norm_eps": 1e-05,
	"rope_scaling": {
	"alpha": 1000.0,
	"beta_fast": 32,
	"beta_slow": 1,
	"factor": 1.0,
	"mscale": 1.0,
	"mscale_all_dim": 1.0,
	"type": "dynamic"
	},
	"rope_theta": 10000.0,
	"sep_token_id": 120007,
	"text_end_id": 7,
	"text_start_id": 6,
	"tie_word_embeddings": true,
	"torch_dtype": "float16",
	"transformers_version": "4.55.0.dev0",
	"use_cache": false,
	"use_cla": false,
	"use_qk_norm": true,
	"use_rotary_pos_emb": true,
	"vocab_size": 120818
	}