Gemini Nano Banana 2.1
Google's Gemini Nano Banana 2.1 on Vertex AI. Text to image up to 4K, and editing with up to fourteen input images.
- Model id:
google/gemini-nano-banana-2.1 - Type: Image, from Google Vertex AI
- Modes: Text to image, Image edit
- Prompt: up to 8,000 characters
- Canceling: Only while queued. Generations finish within seconds once submitted.
Parameters
Set these in params. Anything left out takes the default, which is what the price estimate assumes.
| Parameter | Accepted values | Default |
|---|---|---|
resolution | 1k, 2k, 4k | 1k |
aspect_ratio | 1:1, 16:9, 9:16, 4:3, 3:4, 3:2, 2:3, 4:5, 5:4, 21:9, 4:1, 1:4, 8:1, 1:8 | 1:1 |
num_outputs | 1 only | 1 |
output_format | png, jpeg, webp | provider's |
References
Pass media in references, each with a role and an upload_id or HTTPS url (Uploads). When mode is left out it is inferred from the roles.
| Role | Used as | At most |
|---|---|---|
source_image | Image to edit | 1 |
reference_image | Subject or style reference | 13 |
Pricing
Billed per image delivered, varying by resolution. The full price list for your account is on the dashboard's billing page and in pricing from GET /v1/models/google%2Fgemini-nano-banana-2.1. Each request reserves its maximum price and is charged for what was produced (Pricing and credits).
Examples
Text to image
import { RawFrame } from "@rawframe/sdk";
const rf = new RawFrame();
const generation = await rf.generations.createAndWait({
model: "google/gemini-nano-banana-2.1",
prompt: "A hand-lettered bakery sign reading OPEN in a sunlit window, morning light",
params: { aspect_ratio: "1:1" },
});
console.log(generation.outputs?.[0]?.url);Wide banner
import { RawFrame } from "@rawframe/sdk";
const rf = new RawFrame();
const generation = await rf.generations.createAndWait({
model: "google/gemini-nano-banana-2.1",
prompt: "A misty pine forest at sunrise seen from above, long shadows, lots of sky",
params: { aspect_ratio: "16:9" },
});
console.log(generation.outputs?.[0]?.url);