gemini-3-pro-image-preview
About gemini-3-pro-image-preview
Nano Banana Pro is the next-generation AI image generation and editing model in the Google Gemini series, an upgrade of Gemini 2.5 Flash Image (Nano Banana). The model integrates a multimodal Transformer and diffusion model, natively supports 2K (2048×2048) and 4K resolution output, and delivers significant improvements in image quality, text rendering, and physical reasoning.
Price by routing group
Pick a group in the console when you create a key. Status is live from the router. Live status by group →
| Group | Group status | Model status | Multiplier | Price |
|---|---|---|---|---|
Discounted-Banana-1 | … | ×0.1243 | $0.041 | |
Discounted-Banana-2 | … | ×0.174 | $0.0574 | |
Aistudio-Gemini-1 | … | ×0.2982 | $0.0984 | |
Vertex-Gemini-1 | … | ×0.338 | $0.1115 | |
Aistudio-Gemini-2 | … | ×0.4474 | $0.1476 | |
Aistudio-Gemini-3 | … | ×0.7456 | $0.246 | |
Vertex-Gemini-2 | … | ×0.7605 | $0.251 | |
Vertex-Gemini-3 | … | ×1.521 | $0.5019 | |
Aistudio-Gemini-4 | … | ×1.6155 | $0.5331 |
USD per call
Supported endpoints
Call gemini-3-pro-image-preview in one request
Works with the OpenAI SDK and any OpenAI-compatible client. Replace the key with your own.
curl https://api.nixapi.com/v1/chat/completions \
-H "Authorization: Bearer $NIXAPI_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-3-pro-image-preview",
"messages": [{"role": "user", "content": "Hello!"}]
}'from openai import OpenAI
client = OpenAI(base_url="https://api.nixapi.com/v1", api_key="sk-…")
resp = client.chat.completions.create(
model="gemini-3-pro-image-preview",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)import OpenAI from 'openai';
const client = new OpenAI({ baseURL: 'https://api.nixapi.com/v1', apiKey: process.env.NIXAPI_KEY });
const resp = await client.chat.completions.create({
model: "gemini-3-pro-image-preview",
messages: [{ role: 'user', content: 'Hello!' }],
});
console.log(resp.choices[0].message.content);Questions about gemini-3-pro-image-preview
How much does gemini-3-pro-image-preview cost on NixAPI?
From $0.041 per call in the Discounted-Banana-1 group. Billing is pay-as-you-go in USD with no monthly minimum.
How do I call gemini-3-pro-image-preview?
Point any OpenAI-compatible client at https://api.nixapi.com/v1, use your NixAPI key and set the model to "gemini-3-pro-image-preview".
Which routing groups serve gemini-3-pro-image-preview?
gemini-3-pro-image-preview is available in 9 routing groups: Discounted-Banana-1, Discounted-Banana-2, Aistudio-Gemini-1, Vertex-Gemini-1, Aistudio-Gemini-2, Aistudio-Gemini-3, Vertex-Gemini-2, Vertex-Gemini-3, Aistudio-Gemini-4. The lowest price is in Discounted-Banana-1.