Nano Banana

Entry tier in Google's image family: the most affordable 1K image generation. Dialog editing and reference blending make it useful for volume work and quick drafts.

Cost

2 tokens

ImageProvider: Google
Run generation
curl -X POST https://api.givon.ai/api/v1/generations \
  -H "Authorization: Bearer $GIVON_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"type":"image","model":"nano-banana","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
string
aspectRatioaspectRatio
Type
string
Default
9:16
Allowed
9:16, 16:9, 1:1, 4:3, 3:4, 2:3, 3:2, 21:9
imageSizeimageSize
Type
string
Default
1K
Allowed
1K
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 10 · asset, https, data

Cost

2 tokens

Capabilities

Modestext_to_imageimage_editimage_reference
Asset slotssourceImage:imagemaskImage:imagereferenceAssetUris:image[]<=10

Run Nano Banana

Get an API key and the same request shape will work across every model in the catalog.

Nano Banana API - image generation · Givon AI