Google: Gemini 3 Pro Image Preview (Nano Banana Pro) · fastrouter

Gemini 3 Pro Image Preview is a high-end image generation and editing model in the Gemini 3 family (also known as Nano Banana Pro), built to produce studio-quality visuals with strong reasoning over complex prompts. It is optimized for detailed, multi-step creative workflows where you need both visual fidelity and precise control over content, layout, and text inside images.

Modelo base Todos os modelos desta base Todos os modelos do provedor ao provedor

Entrada, $/1M $2.00

Saída, $/1M $12.00

Contexto 65 536

Saída máx. 32 768

Aceita imagens, texto

Última verificação 04.11.2026 12:26:37 UTC

Fonte página do provedor

Alertas de preço

Entre para seguir o preço

API

API compatível com OpenAI: os SDKs oficiais da OpenAI funcionam com esta URL base. Substitua YOUR_API_KEY pela sua chave do provedor.

URL base da API	`https://go.fastrouter.ai/api/v1`
Endpoint	`https://go.fastrouter.ai/api/v1/images/generations`
ID do modelo	`google/gemini-3-pro-image-preview`

curl

curl https://go.fastrouter.ai/api/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "google/gemini-3-pro-image-preview", "prompt": "a lighthouse at sunset", "n": 1, "size": "1024x1024"}'

Python

import requests

r = requests.post(
    "https://go.fastrouter.ai/api/v1/images/generations",
    headers={"Authorization": "Bearer YOUR_API_KEY"},
    json={
      "model": "google/gemini-3-pro-image-preview",
      "prompt": "a lighthouse at sunset",
      "n": 1,
      "size": "1024x1024"
    },
)
print(r.json())

JavaScript

const r = await fetch("https://go.fastrouter.ai/api/v1/images/generations", {
  method: "POST",
  headers: {Authorization: "Bearer YOUR_API_KEY", "Content-Type": "application/json"},
  body: JSON.stringify({
    "model": "google/gemini-3-pro-image-preview",
    "prompt": "a lighthouse at sunset",
    "n": 1,
    "size": "1024x1024"
  }),
});
console.log(await r.json());

Requisição (JSON)

{
  "model": "google/gemini-3-pro-image-preview",
  "prompt": "a lighthouse at sunset",
  "n": 1,
  "size": "1024x1024"
}

Resposta (JSON)

{
  "created": 1760000000,
  "data": [
    {
      "url": "https://...",
      "b64_json": null
    }
  ]
}

O endereço vem da lista de modelos do provedor; confira na documentação dele.

Documentação da API do provedor

Source: AI Rate Card, https://airatecard.com/pt/c/offer%3Afastrouter%7Cgoogle/gemini-3-pro-image-preview, prices checked 2026-11-04; seller's page: https://fastrouter.ai/models/google/gemini-3-pro-image-preview

Dados técnicos

ID: offer:fastrouter|google/gemini-3-pro-image-preview