GPT Image 2 是 OpenAI 的最先进图像生成模型，已作为 ChatGPT Images 2.0 原生集成到 ChatGPT 中。不同于早期的独立工具（如 DALL·E 3），它将 GPT 系列的语言理解与先进的视觉合成相结合。该模型生成精确、可用的图像，优化面向专业任务，而非纯粹的艺术性试验。
| Comet 价格 (USD / M Tokens) | 官方定价 (USD / M Tokens) | 折扣 |
|---|---|---|
每次请求:$0.04 | 每次请求:$0.05 | -20% |
import base64
import os
from openai import OpenAI
# Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com/v1"
client = OpenAI(base_url=BASE_URL, api_key=COMETAPI_KEY)
os.makedirs("output", exist_ok=True)
result = client.images.generate(
model="gpt-image-2-all",
prompt="A cute baby sea otter",
size="1024x1024",
)
image_base64 = result.data[0].b64_json
image_bytes = base64.b64decode(image_base64)
output_path = "output/gpt-image-2-all-output.png"
with open(output_path, "wb") as file:
file.write(image_bytes)
print(f"Image saved to: {output_path}")import base64
import os
from openai import OpenAI
# Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
COMETAPI_KEY = os.environ.get("COMETAPI_KEY") or "<YOUR_COMETAPI_KEY>"
BASE_URL = "https://api.cometapi.com/v1"
client = OpenAI(base_url=BASE_URL, api_key=COMETAPI_KEY)
os.makedirs("output", exist_ok=True)
result = client.images.generate(
model="gpt-image-2-all",
prompt="A cute baby sea otter",
size="1024x1024",
)
image_base64 = result.data[0].b64_json
image_bytes = base64.b64decode(image_base64)
output_path = "output/gpt-image-2-all-output.png"
with open(output_path, "wb") as file:
file.write(image_bytes)
print(f"Image saved to: {output_path}")import OpenAI from "openai";
import { mkdir, writeFile } from "fs/promises";
import path from "path";
// Get your CometAPI key from https://www.cometapi.com/console/token, and paste it here
const api_key = process.env.COMETAPI_KEY || "<YOUR_COMETAPI_KEY>";
const base_url = "https://api.cometapi.com/v1";
const client = new OpenAI({
apiKey: api_key,
baseURL: base_url,
});
await mkdir(path.join(process.cwd(), "output"), { recursive: true });
const result = await client.images.generate({
model: "gpt-image-2-all",
prompt: "A cute baby sea otter",
size: "1024x1024",
});
const imageBase64 = result.data[0].b64_json;
const imageBuffer = Buffer.from(imageBase64, "base64");
const outputPath = path.join(process.cwd(), "output", "gpt-image-2-all-output.png");
await writeFile(outputPath, imageBuffer);
console.log(`Image saved to: ${outputPath}`);# Get your CometAPI key from https://www.cometapi.com/console/token
# Export it as: export COMETAPI_KEY="your-key-here"
mkdir -p output
response=$(curl -s https://api.cometapi.com/v1/images/generations \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $COMETAPI_KEY" \
-d '{
"model": "gpt-image-2-all",
"prompt": "A cute baby sea otter",
"size": "1024x1024"
}')
if command -v jq >/dev/null 2>&1; then
image_data=$(printf '%s' "$response" | jq -r '.data[0].b64_json')
else
image_data=$(printf '%s' "$response" | sed -n 's/.*"b64_json":"\([^"]*\)".*/\1/p')
fi
if [ -n "$image_data" ] && [ "$image_data" != "null" ]; then
printf '%s' "$image_data" | base64 -d > output/gpt-image-2-all-output.png 2>/dev/null || printf '%s' "$image_data" | base64 -D > output/gpt-image-2-all-output.png
echo "Image saved to: output/gpt-image-2-all-output.png"
else
echo "Error: Failed to generate image"
echo "$response"
fi