视觉语言模型

{
  "role": "user",
  "content": [
    {
      "type": "image_url",
      "image_url": {
        "url": "https://example.com/image.png",
        "detail": "high"
      }
    },
    {
      "type": "text",
      "text": "请描述图片中的场景。"
    }
  ]
}

{
  "role": "user",
  "content": [
    {
      "type": "image_url",
      "image_url": {
        "url": "data:image/jpeg;base64,{base64_image}",
        "detail": "low"
      }
    },
    {
      "type": "text",
      "text": "图片中有哪些文字内容？"
    }
  ]
}

import base64
from PIL import Image
import io

def image_to_base64(image_path):
    with Image.open(image_path) as img:
        buffered = io.BytesIO()
        img.save(buffered, format="JPEG")
        return base64.b64encode(buffered.getvalue()).decode('utf-8')

base64_image = image_to_base64("path/to/your/image.jpg")

{
  "role": "user",
  "content": [
    {
      "type": "image_url",
      "image_url": {
        "url": "https://example.com/image1.png"
      }
    },
    {
      "type": "image_url",
      "image_url": {
        "url": "data:image/jpeg;base64,{base64_image}"
      }
    },
    {
      "type": "text",
      "text": "比较这两张图片的共同特征。"
    }
  ]
}

from openai import OpenAI

client = OpenAI(api_key="YOUR_KEY", base_url="https://api.highwayapi.ai/openai")

response = client.chat.completions.create(
    model="qwen/qwen2.5-vl-72b-instruct",
    messages=[
        {
            "role": "user",
            "content": [
                {"type": "image_url", "image_url": {"url": "https://example.com/cityscape.jpg"}},
                {"type": "text", "text": "描述图片中的主要建筑物。"}
            ]
        }
    ],
    stream=True
)

for chunk in response:
    print(chunk.choices[0].delta.content or "", end="", flush=True)

response = client.chat.completions.create(
    model="qwen/qwen2.5-vl-72b-instruct",
    messages=[
        {
            "role": "user",
            "content": [
                {"type": "image_url", "image_url": {"url": "https://example.com/product1.jpg"}},
                {"type": "image_url", "image_url": {"url": "https://example.com/product2.jpg"}},
                {"type": "text", "text": "请对比一下这两个产品的主要区别。"}
            ]
        }
    ],
    stream=True
)

for chunk in response:
    print(chunk.choices[0].delta.content or "", end="", flush=True)