google/nano-banana-2

Google's fast image generation model with conversational editing, multi-image fusion, and character consistency

Capabilities

Reference Images

Community model (estimated from hardware time)

Name	Type	Description	Default	Constraints
`prompt` *	string	A text description of the image you want to generate	`—`	—
`aspect_ratio`	string	Aspect ratio of the generated image	`"match_input_image"`	match_input_image 1:1 1:4 1:8 2:3 3:2 3:4 4:1 4:3 4:5 5:4 8:1 9:16 16:9 21:9
`google_search`	boolean	Use Google Web Search grounding to generate images based on real-time information (e.g. weather, sports scores, recent events).	`false`	—
`image_input`	array	Input images to transform or use as reference (supports up to 14 images)		—
`image_search`	boolean	Use Google Image Search grounding to find web images as visual context for generation. When enabled, web search is also used automatically.	`false`	—
`output_format`	string	Format of the output image	`"jpg"`	jpg png
`resolution`	string	Resolution of the generated image. Higher resolutions take longer to generate.	`"1K"`	1K 2K 4K

prompt required string

A text description of the image you want to generate

aspect_ratio string

Aspect ratio of the generated image

Default: "match_input_image"

match_input_image 1:1 1:4 1:8 2:3 3:2 3:4 4:1 4:3 4:5 5:4 8:1 9:16 16:9 21:9

google_search boolean

Use Google Web Search grounding to generate images based on real-time information (e.g. weather, sports scores, recent events).

Default: false

image_input array

Input images to transform or use as reference (supports up to 14 images)

Default:

image_search boolean

Use Google Image Search grounding to find web images as visual context for generation. When enabled, web search is also used automatically.

Default: false

output_format string

Format of the output image

Default: "jpg"

jpg png

resolution string

Resolution of the generated image. Higher resolutions take longer to generate.

Default: "1K"

1K 2K 4K

Version: 402c3da8f794 Updated: 6/26/2026 12.7M runs