Install
pip install -U transformers accelerate qwen-vl-utils
Load
from transformers import AutoProcessor, Qwen2_5_VLForConditionalGeneration
model_id = "patrickamadeus/Qwen2.5-VL-3B-Instruct-distill_lang"
model = Qwen2_5_VLForConditionalGeneration.from_pretrained(
model_id,
torch_dtype="auto",
device_map="auto",
)
processor = AutoProcessor.from_pretrained(model_id)
Text-only Inference
messages = [
{
"role": "user",
"content": [
{"type": "text", "text": "Explain what this model is useful for in one sentence."},
],
}
]
text = processor.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
inputs = processor(text=[text], padding=True, return_tensors="pt").to(model.device)
generated_ids = model.generate(**inputs, max_new_tokens=64)
generated_ids = [
output_ids[len(input_ids):]
for input_ids, output_ids in zip(inputs.input_ids, generated_ids)
]
response = processor.batch_decode(
generated_ids,
skip_special_tokens=True,
clean_up_tokenization_spaces=False,
)[0]
print(response)
Expected output: a short natural-language answer, for example a one-sentence description of the model's use.
Image + Text Inference
from qwen_vl_utils import process_vision_info
messages = [
{
"role": "user",
"content": [
{
"type": "image",
"image": "https://qianwen-res.oss-cn-beijing.aliyuncs.com/Qwen-VL/assets/demo.jpeg",
},
{"type": "text", "text": "Describe this image."},
],
}
]
text = processor.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
image_inputs, video_inputs = process_vision_info(messages)
inputs = processor(
text=[text],
images=image_inputs,
videos=video_inputs,
padding=True,
return_tensors="pt",
).to(model.device)
generated_ids = model.generate(**inputs, max_new_tokens=128)
generated_ids = [
output_ids[len(input_ids):]
for input_ids, output_ids in zip(inputs.input_ids, generated_ids)
]
response = processor.batch_decode(
generated_ids,
skip_special_tokens=True,
clean_up_tokenization_spaces=False,
)[0]
print(response)
Expected output: a concise image description, typically mentioning the major objects and scene.
Source
- Base model:
Qwen/Qwen2.5-VL-3B-Instruct
- Converted checkpoint:
patrickamadeus/qwen2_5vl-distill-select-no-bridge-fixed-1000