Use Google Imagen

imagen.py

import re
import requests
import json
import base64

# SET THESE VALUES
PROJECT_ID = "<REPLACE_WITH_YOUR_PROJECT_ID_HERE>"
TOKEN = "<REPLACE_WITH_YOUR_TOKEN_HERE>"
PROMPT = "futuristic portrait of mona lisa, canon eos 5d mark iii, 50mm f/1.4 usm lens"

# Optionally change these values
SAMPLE_COUNT = 4
GUIDANCE_SCALE = "high" # "low", "medium" or "high"
MODEL_VERSION = "002" # "001" or "002"

def generate_image(prompt, token):
    url = f"https://us-central1-aiplatform.googleapis.com/v1/projects/{PROJECT_ID}/locations/us-central1/publishers/google/models/imagegeneration@{MODEL_VERSION}:predict"
    headers = {
        "Authorization": f"Bearer {token}",
        "Content-Type": "application/json; charset=utf-8"
    }
    data = {
        "instances": [
            {
                "prompt": prompt
            }
        ],
        "parameters": {
            "sampleCount": SAMPLE_COUNT,
            "guidanceScale": GUIDANCE_SCALE
        }
    }
    response = requests.post(url, headers=headers, data=json.dumps(data))
    return response.json()

def save_images(response_json, prompt):
    prompt = re.sub(r'\W+', '', prompt)
    for i, prediction in enumerate(response_json['predictions']):
        img_data = base64.b64decode(prediction['bytesBase64Encoded'])
        # Name the images as prompt_i.png
        with open(f'{prompt}_{i}.png', 'wb') as f:
            f.write(img_data)

if __name__ == "__main__":
    response = generate_image(PROMPT, TOKEN)
    save_images(response, PROMPT)

apparently you have to gain access via https://cloud.google.com/ai/earlyaccess/join?hl=en which is weird because I never got an invite mail, only news from the trusted tester newsletter, but can still use the api