Gemini 3 Pro Image (a.k.a Nano Banana Pro) is Google's state-of-the-art high-fidelity image generation and editing model
Gemini 3 Pro Image Preview (google/gemini-3-pro-image-preview) is a image model from Google. Pricing via AIgateway: $0.150 per image. Call it via https://api.aigateway.sh/v1/images/generations — set model="google/gemini-3-pro-image-preview".
curl https://api.aigateway.sh/v1/images/generations \
-H "Authorization: Bearer $AIGATEWAY_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"google/gemini-3-pro-image-preview","prompt":"a serene cyberpunk city at dusk"}'{
"model": "google/gemini-3-pro-image-preview",
"prompt": "A cyberpunk cat at sunset, cinematic lighting",
"n": 1,
"size": "1024x1024",
"response_format": "url" // or "b64_json"
}{
"created": 1776947082,
"data": [
{ "url": "https://media.aigateway.sh/img/abc123.png" }
// or { "b64_json": "iVBORw0KGgoAAAANSUhEU..." }
]
}from openai import OpenAI
client = OpenAI(base_url="https://api.aigateway.sh/v1", api_key="sk-aig-...")
r = client.images.generate(
model="google/gemini-3-pro-image-preview",
prompt="a cyberpunk cat at sunset",
size="1024x1024",
)
print(r.data[0].url)