Grok Imagine Image API：2.0 生图、三图编辑与价格

export LAOZHANG_API_KEY="替换为你的老张API密钥"
python -m pip install openai pillow

curl --fail-with-body "https://api.laozhang.ai/v1/images/generations" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-imagine-image-2.0",
    "prompt": "A cinematic lighthouse at sunrise, detailed ocean reflections, no text",
    "n": 1,
    "aspect_ratio": "16:9",
    "resolution": "2k",
    "quality": "medium",
    "response_format": "url"
  }' \
  -o grok-generation.json

python save_images.py grok-generation.json grok-generation

{
  "data": [
    {
      "url": "https://..."
    }
  ]
}

import base64
import os
from pathlib import Path

from openai import OpenAI

client = OpenAI(
    api_key=os.environ["LAOZHANG_API_KEY"],
    base_url="https://api.laozhang.ai/v1",
    timeout=180,
)

response = client.images.generate(
    model="grok-imagine-image-2.0",
    prompt="A premium mechanical watch on dark slate, macro product photography",
    n=1,
    response_format="b64_json",
    extra_body={
        "aspect_ratio": "1:1",
        "resolution": "2k",
        "quality": "medium",
    },
)

value = response.data[0].b64_json
if value.startswith("data:"):
    value = value.split(",", 1)[1]  # 去掉可能存在的 data:image/...;base64, 前缀
value += "=" * (-len(value) % 4)    # 补齐缺失的 = 填充
image_bytes = base64.b64decode(value)

suffix = ".png" if image_bytes.startswith(b"\x89PNG") else ".jpg"
output = Path("grok-watch" + suffix)
output.write_bytes(image_bytes)
print(f"已保存 {output}")

curl --fail-with-body "https://api.laozhang.ai/v1/images/edits" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -F "model=grok-imagine-image-2.0" \
  -F "prompt=Change the mug to matte black. Preserve the composition, lighting, and background." \
  -F "image=@product-photo.png" \
  -F "response_format=url" \
  -o grok-edit.json

python save_images.py grok-edit.json grok-edit

curl --fail-with-body "https://api.laozhang.ai/v1/images/edits" \
  -H "Authorization: Bearer $LAOZHANG_API_KEY" \
  -F "model=grok-imagine-image-2.0" \
  -F "prompt=Place the product from image 1 in the scene from image 2, and apply the visual style from image 3. Preserve the product colors." \
  -F "image[]=@product.png" \
  -F "image[]=@scene.jpg" \
  -F "image[]=@style.jpg" \
  -F "aspect_ratio=3:2" \
  -F "response_format=url" \
  -o grok-multi-edit.json

python save_images.py grok-multi-edit.json grok-multi-edit

import os
import urllib.request
from pathlib import Path

from openai import OpenAI

client = OpenAI(
    api_key=os.environ["LAOZHANG_API_KEY"],
    base_url="https://api.laozhang.ai/v1",
    timeout=180,
)

with open("product.png", "rb") as image:
    response = client.images.edit(
        model="grok-imagine-image-2.0",
        image=image,
        prompt="Keep the product and change the background to a rainy neon street.",
        response_format="url",
    )

# URL 是临时地址，拿到后立即下载
with urllib.request.urlopen(response.data[0].url, timeout=60) as download:
    image_bytes = download.read()

suffix = ".png" if image_bytes.startswith(b"\x89PNG") else ".jpg"
output = Path("grok-edit" + suffix)
output.write_bytes(image_bytes)
print(f"已保存 {output}")