Skip to main content

Explore Celeste

All models

Google / Model reference

Nano Banana 2.1

Google model available through the Celeste SDK. Explore its supported operations and parameters.

See the code
Model IDgemini-nano-banana-2.1

What it can do.

celeste.images.editEdit images
celeste.images.generateGenerate images

Parameters.

Supported controls from Celeste’s model registry. Values and availability differ between models.

Nano Banana 2.1 parameters and constraints
ParameterAccepted values
aspect_ratio
1:11:41:82:33:23:44:14:34:55:48:19:1616:921:9
quality
1K2K4K
reference_imagesImage artifacts
thinking_level
minimalmediumhigh

Start with a few lines

Put it to work.

Use your provider credentials. Call the model through the SDK and build around its output.

Generate
import celeste
response = await celeste.images.generate(
    model="gemini-nano-banana-2.1",
    prompt="A quiet observatory on a volcanic coast at dawn."
)
image = response.content

This example uses images.generate. Explore the quickstart for installation and authentication.