python/test.py

from PIL import Image
import httpx
from io import BytesIO
from transformers import AutoProcessor, AutoModel
import torch

model = AutoModel.from_pretrained("google/siglip2-base-patch16-224")
processor = AutoProcessor.from_pretrained("google/siglip2-base-patch16-224")
url = "http://images.cocodataset.org/val2017/000000039769.jpg"
with httpx.stream("GET", url) as response:
    image = Image.open(BytesIO(response.read()))
texts = ["a photo of 2 cats", "a photo of 2 dogs"]
# important: we pass `padding=max_length` since the model was trained with this
inputs = processor(text=texts, images=image, padding="max_length", return_tensors="pt")
with torch.no_grad():
    outputs = model(**inputs)

logits_per_image = outputs.logits_per_image
probs = torch.sigmoid(logits_per_image) # these are the probabilities
print(f"{probs[0][0]:.1%} that image 0 is '{texts[0]}'")
#10.6% that image 0 is 'a photo of 2 cats'