Imagen 3

import { GoogleGenAI } from '@google/genai';

const ai = new GoogleGenAI({ apiKey: process.env.GOOGLE_API_KEY });

async function generateImage() {
  const response = await ai.models.generateImages({
    model: 'imagen-3.0-generate-002',
    prompt: 'A photorealistic image of a golden retriever puppy in a garden',
    config: {
      numberOfImages: 1,
      aspectRatio: '1:1',
    },
  });

  // The response contains base64-encoded image data
  const imageData = response.generatedImages[0].image.imageBytes;
  const buffer = Buffer.from(imageData, 'base64');
  require('fs').writeFileSync('output.png', buffer);
  console.log('Image saved as output.png');
}

generateImage();