Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

from openai import OpenAI

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

response = client.chat.completions.create(
    model="google/gemini-3.1-flash-image-preview",
    messages=[
        {"role": "user", "content": "Generate an image of a sunset over mountains"}
    ]
)

# The image will be in the response content
content = response.choices[0].message.content
print("Generated image:", content)

import requests
import json
import base64
import re

url = "https://routerai.ru/api/v1/chat/completions"
headers = {
    "Authorization": "Bearer YOUR_API_KEY",
    "Content-Type": "application/json"
}

data = {
    "model": "google/gemini-3.1-flash-image-preview",
    "messages": [
        {"role": "user", "content": "Generate an image of a sunset over mountains"}
    ]
}

response = requests.post(url, headers=headers, json=data)
result = response.json()

# The image will be in the response content
if result.get('choices'):
    content = result['choices'][0]['message']['content']
    print("Generated image:", content)

    # Save image to file
    # If content is a base64 string
    if content.startswith('data:image'):
        # Extract base64 data from data URL
        base64_data = re.sub('^data:image/.+;base64,', '', content)
        image_data = base64.b64decode(base64_data)
        with open('generated_image.png', 'wb') as f:
            f.write(image_data)
        print("Image saved to generated_image.png")
    elif content.startswith('http'):
        # If content is a URL, download the image
        img_response = requests.get(content)
        with open('generated_image.png', 'wb') as f:
            f.write(img_response.content)
        print("Image saved to generated_image.png")

print(json.dumps(result, indent=2))

curl -X POST "https://routerai.ru/api/v1/chat/completions" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3.1-flash-image-preview",
    "messages": [
      {"role": "user", "content": "Generate an image of a sunset over mountains"}
    ]
  }'