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Google

Nano Banana 2

Available
5% off— A 5% discount applies to input and output token pricing only.

Description

Google Nano Banana 2 (Gemini 3.1 Flash Image) for fast text-to-image

At a Glance

Key pricing and model details available for this model.

Starting price

$0.08

per image

Hallucination rate

0%

Supported sizes

1k, 2k, 4k

Image Pricing

Image generation pricing currently exposed by the models API.

Starting price

$0.08

per image

Resolution Pricing

Resolution-specific prices returned for this image model.

1k$0.08
2k$0.12
4k$0.16
auto$0.08

Image Details

Additional image-related pricing and format support.

Pricing unitper image
Supported sizes
1k
2k
4k

Feature Availability

Capabilities explicitly listed in the current payload.

Image

Available

Yes

Vision

Not listed

No

Function calling

Not listed

No

Reasoning

Not listed

No

Benchmark Summary

Overall image benchmark metrics currently available. CI95: -9/9

Overall ELO

1258

Rank

#2

Appearances

5,912

Category Breakdown

Available per-category ELO results from the current benchmark payload.

Subject People: Groups Activities

540 appearances · CI95 -35/35

1346

ELO

Style General Photorealistic

1,841 appearances · CI95 -18/18

1296

ELO

Style Cartoon Illustration

494 appearances · CI95 -36/36

1289

ELO

Style Traditional Art

294 appearances · CI95 -42/42

1286

ELO

Subject People: Portraits

548 appearances · CI95 -34/34

1280

ELO

Subject Fantasy Mythical

768 appearances · CI95 -26/26

1260

ELO

Style Vintage Retro

336 appearances · CI95 -41/41

1259

ELO

Subject Commercial

386 appearances · CI95 -38/38

1258

ELO

Subject Physical Spaces

666 appearances · CI95 -30/30

1255

ELO

Subject Nature Landscapes

463 appearances · CI95 -35/35

1255

ELO

Subject Futuristic Sci-fi

717 appearances · CI95 -28/28

1224

ELO

Style Graphic Design Digital Rendering

1,691 appearances · CI95 -18/18

1211

ELO

Subject Ui/ux Design

211 appearances · CI95 -54/54

1196

ELO

Subject Text Typography

331 appearances · CI95 -40/40

1190

ELO

Style Anime

424 appearances · CI95 -35/35

1181

ELO

Code Samples

Quick start with the Routeway API

const response = await fetch('https://api.routeway.ai/v1/images/generations', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer <YOUR_API_KEY>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    model: 'nano-banana-2',
    prompt: 'A futuristic city skyline at sunset',
    size: '1024x1024',
  })
});

const imageData = await response.json();
console.log(imageData);