画像から画像への変換（画像編集）

model=gpt-image-2
n=1
response_format=b64_json
output_format=png

curl 'https://bettertoken.ai/v1/images/edits' \
  -H 'Authorization: Bearer sk-***REDACTED***' \
  -F 'model=gpt-image-2' \
  -F 'prompt=Use this reference image to create a more polished square product hero image while keeping the main style consistent.' \
  -F 'n=1' \
  -F 'size=1024x1024' \
  -F 'response_format=b64_json' \
  -F 'output_format=png' \
  -F 'image=@reference.png'

curl 'https://bettertoken.ai/v1/images/edits' \
  -H 'Authorization: Bearer sk-***REDACTED***' \
  -F 'model=gpt-image-2' \
  -F 'prompt=Combine these reference images into one consistent promotional poster.' \
  -F 'n=1' \
  -F 'size=1024x1024' \
  -F 'response_format=b64_json' \
  -F 'output_format=png' \
  -F 'image[]=@reference-1.png' \
  -F 'image[]=@reference-2.jpg' \
  -F 'image[]=@reference-3.png'

curl 'https://bettertoken.ai/v1/images/edits' \
  -H 'Authorization: Bearer sk-***REDACTED***' \
  -F 'model=gpt-image-2' \
  -F 'prompt=Replace only the masked area with a blue circle. Preserve everything else.' \
  -F 'n=1' \
  -F 'size=1024x1024' \
  -F 'response_format=b64_json' \
  -F 'output_format=png' \
  -F 'image=@original.png' \
  -F 'mask=@mask.png'

import requests

url = "https://bettertoken.ai/v1/images/edits"
headers = {"Authorization": "Bearer sk-***REDACTED***"}
data = {
    "model": "gpt-image-2",
    "prompt": "Replace only the masked area with a blue circle. Preserve everything else.",
    "n": "1",
    "size": "1024x1024",
    "response_format": "b64_json",
    "output_format": "png",
}

with open("original.png", "rb") as image_file, open("mask.png", "rb") as mask_file:
    files = {
        "image": ("original.png", image_file, "image/png"),
        "mask": ("mask.png", mask_file, "image/png"),
    }
    response = requests.post(url, headers=headers, data=data, files=files, timeout=300)

response.raise_for_status()
result = response.json()

from pathlib import Path
from PIL import Image

image_path = Path("original.png")
mask_path = Path("mask.png")

if image_path.stat().st_size >= 50 * 1024 * 1024 or mask_path.stat().st_size >= 50 * 1024 * 1024:
    raise ValueError("Each file must be smaller than 50 MB")

with Image.open(image_path) as image, Image.open(mask_path) as mask:
    if image.format != mask.format:
        raise ValueError("The image and mask formats must match")
    if image.size != mask.size:
        raise ValueError("The image and mask dimensions must match")
    if "A" not in mask.getbands():
        raise ValueError("The mask must contain an Alpha channel")
    alpha_min, alpha_max = mask.getchannel("A").getextrema()
    if alpha_min > 0 or alpha_max < 255:
        print("Warning: for a typical local mask, include fully transparent and fully opaque areas")

import requests

url = "https://bettertoken.ai/v1/images/edits"
headers = {
    "Authorization": "Bearer sk-***REDACTED***",
}

data = {
    "model": "gpt-image-2",
    "prompt": "Use this reference image to create a more polished square product hero image while keeping the main style consistent.",
    "n": "1",
    "size": "1024x1024",
    "response_format": "b64_json",
    "output_format": "png",
}

with open("reference.png", "rb") as image_file:
    files = {
        "image": ("reference.png", image_file, "image/png"),
    }
    response = requests.post(url, headers=headers, data=data, files=files, timeout=300)

response.raise_for_status()
result = response.json()
b64_json = result["data"][0]["b64_json"]

{
  "created": 1710000000,
  "data": [
    {
      "b64_json": "iVBORw0KGgoAAAANSUhEUgAA...(truncated)"
    }
  ]
}