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Nano Banana 2

Google's versatile Flash tier: up to 4K, clean text, low latency, and reference consistency. Use it for rapid iteration and high-volume generation when you need strong output below Pro-tier cost.

Cost

from 2.5 tokens

ImageProvider: Google

Try Nano Banana 2 in Givon AI

Open a working project for regular creation, or use Playground to inspect the model parameters.

Create in a projectOpen in playgroundUse through API

Use through API

Request fields, constraints, and ready-to-use examples for developers. The user workflow starts above.

Run generation
IDEMPOTENCY_KEY="${IDEMPOTENCY_KEY:-$(uuidgen)}"
curl -X POST https://api.givon.ai/api/v1/generations \
  -H "Authorization: Bearer $GIVON_API_KEY" \
  -H "Idempotency-Key: $IDEMPOTENCY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"type":"image","model":"nano-banana-2","input":{"prompt":"studio portrait of a red corgi, soft light","aspectRatio":"9:16","imageSize":"1k","sourceImage":"asset://asset_...","referenceAssetUris":["asset://asset_..."]}}'

Input fields

* required
prompt*prompt

Image description.

Type
string
Default
—
Allowed
up to 20000 chars
aspectRatioaspectRatio
Type
string
Default
9:16
Allowed
16:9, 1:1, 21:9, 2:3, 3:2, 3:4, 4:3, 9:16
imageSizeimageSize
Type
string
Default
1k
Allowed
1k, 2k, 4k
Source imagesourceImage

Asset used as the source image for image editing.

Type
string
Default
—
Allowed
image · asset, https, data
Mask imagemaskImage

Optional mask image for region editing. Requires sourceImage.

Type
string
Default
—
Allowed
image · asset, https, data
Reference imagesreferenceAssetUris

Optional reference images as asset:// URIs, HTTPS URLs, or data URIs.

Type
array
Default
—
Allowed
image · up to 14 · asset, https, data

Cost

from 2.5 tokens
1Kdefault2.5 tokens
2K2.5 tokens
4K3 tokens

The variant is selected automatically from request fields, so you do not need to send it.

Capabilities

Modestext_to_imageimage_edit
Asset slotssourceImage:imagemaskImage:imagereferenceAssetUris:image[]<=14
Get API key

Where to use this model

AI photo generatorAI photo editor