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---
license: mit
base_model:
- microsoft/Phi-3.5-vision-instruct
tags:
- GUI
- Agent
- Grounding
- CUA
---
# Microsoft Phi-Ground-4B-7C
<p align="center">
<a href="https://microsoft.github.io/Phi-Ground/" target="_blank">🤖 HomePage</a> | <a href="https://huggingface.co/papers/2507.23779" target="_blank">📄 Paper </a> | <a href="https://arxiv.org/abs/2507.23779" target="_blank">📄 Arxiv </a> | <a href="https://huggingface.co/microsoft/Phi-Ground" target="_blank"> 😊 Model </a> | <a href="https://github.com/microsoft/Phi-Ground/tree/main/benchmark/new_annotations" target="_blank"> 😊 Eval data </a>
</p>
**Phi-Ground-4B-7C** is one of the Phi-Ground model family, finetuned from [microsoft/Phi-3.5-vision-instruct](https://huggingface.co/microsoft/Phi-3.5-vision-instruct) with fixed input resolution 1008x672. The Phi-Ground
model family achieves state-of-the-art performance across all five grounding benchmarks for
models under 10B parameters in agent settings. In the end-to-end model setting, our model still
achieves SOTA results with scores of 43.2 on ScreenSpot-pro and 27.2 on UI-Vision. We believe
that the various details discussed in the tech report, along with our successes and failures, not only clarify
the construction of grounding models but also benefit other perception tasks.
### Main results
### Usage
The current `transformers` version can be verified with: `pip list | grep transformers`.
Examples of required packages:
```
flash_attn==2.5.8
numpy==1.24.4
Pillow==10.3.0
Requests==2.31.0
torch==2.3.0
torchvision==0.18.0
transformers==4.43.0
accelerate==0.30.0
```
### Input Formats
The model require strict input format including fixed image resolution, instruction-first order and system prompt.
Input preprocessing
```python
from PIL import Image
def process_image(img):
target_width, target_height = 336 * 3, 336 *2
img_ratio = img.width / img.height
target_ratio = target_width / target_height
if img_ratio > target_ratio:
new_width = target_width
new_height = int(new_width / img_ratio)
else:
new_height = target_height
new_width = int(new_height * img_ratio)
reshape_ratio = new_width / img.width
img = img.resize((new_width, new_height), Image.LANCZOS)
new_img = Image.new("RGB", (target_width, target_height), (255, 255, 255))
paste_position = (0, 0)
new_img.paste(img, paste_position)
return new_img
instruction = "<your instruction>"
prompt = """<|user|>
The description of the element:
{RE}
Locate the above described element in the image. The output should be bounding box using relative coordinates multiplying 1000.
<|image_1|>
<|end|>
<|assistant|>""".format(RE=instriuction)
image_path = "<your image path>"
image = process_image(Image.open(image_path))
```
Then you can use huggingface model or [vllm](https://github.com/vllm-project/vllm) to inference. We also provide [End-to-end examples](https://github.com/microsoft/Phi-Ground/tree/main/examples/call_example.py) and [benchmark results reproduction](https://github.com/microsoft/Phi-Ground/tree/main/benchmark/test_sspro.sh). |