Nano Banana Pro

Google's Gemini 3 Pro Image Preview model for professional-grade image generation, editing, and asset production.

Professional AssetsAdvanced ReasoningHigh-Fidelity Text

Generation Modes

Text-to-image + editing

No `image_urls` means text-to-image

Reference Images

Up to 14

With `image_urls`, the request becomes image editing

Resolution Pricing

1K / 2K / 4K

Priced per generated image

Input

$1.8$2.0000

10% off

1M tokens

Output

$108$120.0000

10% off

1M tokens

Model Codenanobanana-pro

Playground

Model Code

nanobanana-pro

Reference inputs

Reference Images0/14

Click or drag

Enter your prompt here...

Resolution

Resolution (sent to backend)

Aspect Ratio

Aspect Ratio (sent to backend)

Web Search

Output

No output yet

Pricing

Plan	Context Window	Max Output	Input	Output	Cache Write	Cache Read
gemini-3-pro-image	-	-	$1.8$2.000010% off 1M tokens	$108$120.000010% off 1M tokens	-	-

Pricing checked on 2026-04-21 from the internal Gemini image pricing memo.

Reference pricing also lists optional web search and image search surcharges at +$0.014 per image each; those add-ons are not included in the base prices shown here.

README

Nano Banana Pro maps to Gemini 3 Pro Image Preview and is designed for professional asset production, using advanced reasoning to follow complex instructions and render higher-fidelity text and visuals.

Nano Banana Pro corresponds to Google's Gemini 3 Pro Image Preview model (`gemini-3-pro-image-preview`).
Google describes it as a model for professional asset production, with advanced reasoning ("Thinking") for following complex instructions and rendering high-fidelity text.
On ReachAPI, it is exposed as an asynchronous image task model for premium text-to-image and image editing workloads, with up to 14 reference images, `1k`, `2k`, and `4k` resolution options, plus optional web-search-enhanced generation.

API

Use the API docs for request format, parameters, and integration details.

Google's Gemini 3 Pro Image Preview model for professional-grade image generation, editing, and asset production.

Model Code

nanobanana-pro

View API Docs

API

Endpoint

POST /v1/images/create

Authentication

Authorization: Bearer YOUR_REACH_API_KEY
Content-Type: application/json

Example

curl -X POST "https://direct.reachapi.ai/v1/images/create" \
  -H "Authorization: Bearer YOUR_REACH_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nanobanana-pro",
    "input": {
      "prompt": "A luxury perfume bottle hero image on a marble surface",
      "aspect_ratio": "4:5",
      "resolution": "2k",
      "output_format": "png"
    }
  }'

Related Models

Other models from the same vendor

Nano Banana 2

Google's Gemini 3.1 Flash Image Preview model for fast, high-volume image generation and editing.

Nano Banana

Google's Gemini 2.5 Flash Image model for low-latency, high-volume image generation and lightweight editing.