NanoBanana 图像生成

Gemini 图像生成模型系列，通过 API 生成高质量图像。

NanoBanana 是 Gemini 图像生成模型系列，可通过 API Key 直接使用，无需 VPN 或 Google 账号。

可用模型

支持的规格

宽高比

支持 10 种宽高比：1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 21:9, 5:4, 4:5

分辨率

API 请求示例

Python

import requests
import base64

url = "https://ai.nebulatrip.com/v1/models/gemini-3-pro-image-preview:generateContent"
headers = {
    "Content-Type": "application/json",
    "x-goog-api-key": "your-api-key"
}

payload = {
    "contents": [{
        "parts": [{"text": "一只可爱的猫咪在阳光下玩耍"}]
    }],
    "generationConfig": {
        "responseModalities": ["IMAGE"],
        "imageConfig": {
            "aspectRatio": "1:1",
            "image_size": "2K"
        }
    }
}

response = requests.post(url, headers=headers, json=payload)

Node.js

const response = await fetch(
  "https://ai.nebulatrip.com/v1/models/gemini-3-pro-image-preview:generateContent",
  {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "x-goog-api-key": "your-api-key"
    },
    body: JSON.stringify({
      contents: [{
        parts: [{ text: "一只可爱的猫咪在阳光下玩耍" }]
      }],
      generationConfig: {
        responseModalities: ["IMAGE"],
        imageConfig: {
          aspectRatio: "1:1",
          image_size: "2K"
        }
      }
    })
  }
);

图生图编辑

NanoBananaPro 支持图生图编辑，上传图片并提供编辑指令：

# 将图片转为 Base64
with open("input.jpg", "rb") as f:
    image_base64 = base64.standard_b64encode(f.read()).decode("utf-8")

payload = {
    "contents": [{
        "parts": [
            {"text": "把背景换成海滩"},
            {"inline_data": {"mime_type": "image/jpeg", "data": image_base64}}
        ]
    }],
    "generationConfig": {
        "responseModalities": ["IMAGE"]
    }
}

超时建议