# Gemini Nano Banana 2.1

> Google Nano Banana 2.1 —— 目前推薦的 Gemini 出圖與修圖模型,支援 1K / 2K / 4K,按張計費。

Canonical: https://routemux.com/zh-Hant/google/gemini-nano-banana-2.1
Provider: Google

## Key facts

| Field | Value |
| --- | --- |
| Model ID | google/gemini-nano-banana-2.1 |
| Official model ID | gemini-nano-banana-2.1 |
| Input modalities | text, image |
| Output modalities | image |
| Capabilities | Image Generation, Image Edit |
| Upstream release | 2026-10-06 |
| Availability | available |

## Pricing

- RouteMux: $0.025 per generation
- Official: $0.0336 per generation
- Saving vs official: 26%

Billing is prepaid wallet, charged per successful request only.

## API access

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

Supported protocols:

- openai_images

Aliases that also route here: google/nano-banana-2.1, models/gemini-nano-banana-2.1, nano-banana-2-1, nano-banana-2.1, nanobanana-2.1

## Other variants in this family

- Gemini 3 Pro Image (Nano Banana Pro) (`google/gemini-3-pro-image`)
- Gemini 2.5 Flash Image (Nano Banana) (`google/gemini-2.5-flash-image`)
- Gemini 3.1 Flash Image (Nano Banana 2) (`google/gemini-3.1-flash-image`)