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ModelRover

Gemini Nano Banana 2.1

Hotgoogle/gemini-nano-banana-2.1
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An updated release of Nano Banana 2 (Gemini 3.1 Flash Image) built for efficient image generation and conversational editing, with improved visual quality, multi-turn character consistency, accurate text rendering and search-grounded generation at 1K, 2K and 4K resolutions.

Capabilities
2
Output resolution
4K
1K2K4K
Output aspect ratio
14
1:12:33:2
Release date
2026-10-06
Google

Playground

Input

Output

Pricing

Pricing breakdown
Usage-based pricing, broken down by billing item at your current rates.
20% off

Input tokens

Standard rate
1.5 credits / 1M1.2 credits / 1M

Output tokens

Standard rate
7.5 credits / 1M6 credits / 1M

Output image tokens

Standard rate
30 credits / 1M24 credits / 1M

Web searches

Standard rate
14 credits / 1K11.2 credits / 1K

Billing items are additive. Only one matching price tier applies to each item. Each request is calculated exactly from actual usage, and the total is rounded up once to the nearest 0.000001 credits.

API

cURL example
POST/v1beta/models/google/gemini-nano-banana-2.1:generateContent
SynchronousGemini
curl "https://api.modelrover.ai/v1beta/models/google/gemini-nano-banana-2.1:generateContent" \  -X POST \  -H "x-goog-api-key: $API_KEY" \  -H "Content-Type: application/json" \  -d '{  "contents": [    {      "role": "user",      "parts": [        {          "text": "A quiet mountain lake."        }      ]    }  ],  "generationConfig": {    "responseModalities": [      "IMAGE"    ]  }}'

Set your API_KEY environment variable before running. Keep your key server-side.

API documentation

Uptime