{
  "model": "gpt-5.4",
  "messages": [
    {
      "role": "user",
      "content": [
        {"type": "text", "text": "图片里有什么？"},
        {"type": "image_url", "image_url": {"url": "https://example.com/cat.jpg"}}
      ]
    }
  ]
}

import base64
from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.getinfinityblue.com/v1")

with open("cat.jpg", "rb") as f:
    image_data = base64.b64encode(f.read()).decode("utf-8")

response = client.chat.completions.create(
    model="gpt-5.4",
    messages=[{
        "role": "user",
        "content": [
            {"type": "text", "text": "图片里有什么？"},
            {"type": "image_url", "image_url": {"url": f"data:image/jpeg;base64,{image_data}"}}
        ]
    }]
)
print(response.choices[0].message.content)

{"type": "image_url", "image_url": {"url": "...", "detail": "high"}}