# Gemini 3 Pro Image (Nano Banana Pro)

> Nano Banana Pro — Google 最强 Gemini 3 Pro 图像生成与编辑。

Canonical: https://routemux.com/zh/google/gemini-3-pro-image
Provider: Google

## Key facts

| Field | Value |
| --- | --- |
| Model ID | google/gemini-3-pro-image |
| Official model ID | gemini-3-pro-image |
| Context window | 66K |
| Max output | 33K |
| Input modalities | text, image |
| Output modalities | text, image |
| Capabilities | Vision, Reasoning, Image Generation, Image Edit |
| Availability | available |

## Pricing

- RouteMux: $36 per 1M tokens
- Official: $120 per 1M tokens
- Saving vs official: 70%
- Official price source: gemini_image_x0.5, verified 2026-07-23

Billing is prepaid wallet, charged per successful request only.

## API access

Base URL: https://api.routemux.com

Supported protocols:

- google_vertex_ai

Aliases that also route here: gemini-3-pro-image-preview, google/nano-banana-pro, google/nano_banana_pro, google/nanobanana-pro, google/nanobananapro, models/gemini-3-pro-image, models/gemini-3-pro-image-preview, nano-banana-pro, nano_banana_pro, nanobanana-pro, nanobananapro, nanobananpro

## Other variants in this family

- Gemini 3.1 Flash Image (Nano Banana 2) (`google/gemini-3.1-flash-image`)
- Gemini 2.5 Flash Image (Nano Banana) (`google/gemini-2.5-flash-image`)