Instructions to use OpenGVLab/ScaleCUA-3B with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use OpenGVLab/ScaleCUA-3B with Transformers:

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

pipe = pipeline("image-text-to-text", model="OpenGVLab/ScaleCUA-3B")
messages = [
    {
        "role": "user",
        "content": [
            {"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
            {"type": "text", "text": "What animal is on the candy?"}
        ]
    },
]
pipe(text=messages)

# Load model directly
from transformers import AutoProcessor, AutoModelForImageTextToText

processor = AutoProcessor.from_pretrained("OpenGVLab/ScaleCUA-3B")
model = AutoModelForImageTextToText.from_pretrained("OpenGVLab/ScaleCUA-3B")
messages = [
    {
        "role": "user",
        "content": [
            {"type": "image", "url": "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/p-blog/candy.JPG"},
            {"type": "text", "text": "What animal is on the candy?"}
        ]
    },
]
inputs = processor.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(processor.decode(outputs[0][inputs["input_ids"].shape[-1]:]))

Notebooks
Google Colab
Kaggle
Local Apps

vLLM

How to use OpenGVLab/ScaleCUA-3B with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "OpenGVLab/ScaleCUA-3B"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "OpenGVLab/ScaleCUA-3B",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

Use Docker

docker model run hf.co/OpenGVLab/ScaleCUA-3B

SGLang

How to use OpenGVLab/ScaleCUA-3B 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 "OpenGVLab/ScaleCUA-3B" \
    --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": "OpenGVLab/ScaleCUA-3B",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

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 "OpenGVLab/ScaleCUA-3B" \
        --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": "OpenGVLab/ScaleCUA-3B",
		"messages": [
			{
				"role": "user",
				"content": [
					{
						"type": "text",
						"text": "Describe this image in one sentence."
					},
					{
						"type": "image_url",
						"image_url": {
							"url": "https://cdn.britannica.com/61/93061-050-99147DCE/Statue-of-Liberty-Island-New-York-Bay.jpg"
						}
					}
				]
			}
		]
	}'

Docker Model Runner
How to use OpenGVLab/ScaleCUA-3B with Docker Model Runner:
```
docker model run hf.co/OpenGVLab/ScaleCUA-3B
```

ownerEli commited on Sep 17, 2025

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@@ -529,9 +529,9 @@ If you find our project useful in your research, please consider citing:
 ```bibtex
 @article{liu2025scalecua,
-  title        = {ScaleCUA: Scaling Open-Source Computer Use Agents with Cross-Platform Data},
-  author       = {Liu, Zhaoyang and Xie, Jingjing and Ding, Zichen and Li, Zehao and Yang, Bowen and Wu, Zhenyu and Wang, Xuehui and Sun, Qiushi and Liu, Shi and Wang, Weiyun and Ye, Shenglong and Li, Qingyun and Dong, Xuan and Yu, Yue and Lu, Chenyu and Mo, YunXiang and Yan, Yao and Tian, Zeyue and Zhang, Xiao and Huang, Yuan and Liu, Yiqian and Su, Weijie and Luo, Gen and Yue, Xiangyu and Qi, Biqing and Chen, Kai and Zhou, Bowen and Qiao, Yu and Chen, Qifeng and Wang, Wenhai},
-  year         = {2025},
-  url          = {https://github.com/OpenGVLab/ScaleCUA}
 }
 ```

 ```bibtex
 @article{liu2025scalecua,
+  title = {ScaleCUA: Scaling Open-Source Computer Use Agents with Cross-Platform Data},
+  author = {Liu, Zhaoyang and Xie, Jingjing and Ding, Zichen and Li, Zehao and Yang, Bowen and Wu, Zhenyu and Wang, Xuehui and Sun, Qiushi and Liu, Shi and Wang, Weiyun and Ye, Shenglong and Li, Qingyun and Dong, Xuan and Yu, Yue and Lu, Chenyu and Mo, YunXiang and Yan, Yao and Tian, Zeyue and Zhang, Xiao and Huang, Yuan and Liu, Yiqian and Su, Weijie and Luo, Gen and Yue, Xiangyu and Qi, Biqing and Chen, Kai and Zhou, Bowen and Qiao, Yu and Chen, Qifeng and Wang, Wenhai},
+  year = {2025},
+  url = {https://github.com/OpenGVLab/ScaleCUA}
 }
 ```