imagesarrayrequired
The URLs of the images to use for image-to-image generation or image editing.
Nano Banana Pro Edit
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google/nano-banana-pro/editNano Banana Pro is Google's new state-of-the-art image generation and editing model
Try the model
Playground
Input
PNG, JPEG, WebP, or GIF · 20 MiB maximum each
The URLs of the images to use for image-to-image generation or image editing.
The text prompt to generate an image from.
Additional Settings More
Customize your input with more control.
The aspect ratio of the generated image. Leave empty to keep the aspect ratio of the input image. Allowed values: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16.
The format of the generated image. Allowed values: jpeg, png.
The resolution of the image to generate. Allowed values: 1K, 2K, 4K.
ResultExample
What would you like to do next?
Examples
Select an example to load its inputs and result into the playground.
- Open result ↗
Input
{ "aspect_ratio": "2:3", "images": [ "https://static.sandbase.ai/examples/a24d699f-ac6b-4c57-b162-f6073c15d031/input/80b3b8e7-87db-4487-ab30-a844b4f22b96.png", "https://static.sandbase.ai/examples/a24d699f-ac6b-4c57-b162-f6073c15d031/input/7c80d815-ad38-457a-9664-bf7371a876b5.png" ], "prompt": "Create a professional e-commerce fashion photo. Take the blue floral dress from the first image and let the woman from the second image wear it. Generate a realistic, full-body shot of the woman wearing the dress, with the lighting and shadows adjusted to match the outdoor environment." }
Human preference
Arena
Elo ratings from blind side-by-side votes, compared with other image and video models.
Rankings sourced from Artificial Analysis Arena
- Leaderboard
- Image Editing
- Rank
- #18 of 77
- Elo
- 1108 ±12
- Gap to #1
- −91
Image-editing arena: people pick the better of two edits of the same image and instruction, without seeing the model names.
- #13MAI-Image-2.5-Pro1123±12
- #14Nano Banana 2 (Gemini 3.1 Flash Image)1123±12
- #15FLUX 3 Image1122±14
- #16GPT Image 1.5 (high)1119±13
- #17Grok Imagine Image 2.01117±13
- #18Nano Banana Pro (Gemini 3 Pro Image)1108±12
- #19grok-imagine-image-quality1095±12
- #20HunyuanImage 3.5 (Preview)1093±13
- #21MAI-Image-2.5-Flash1091±13
- #22Qwen-Image-3.0-Pro1091±13
Nano Banana Pro Edit
Edit or combine images with Nano Banana Pro. Send one or more images with an instruction; the model keeps identity and layout where you do not ask for changes, and can render new text accurately.
Fields
| Field | Type | Default | Notes |
|---|---|---|---|
images | image URL[], required | — | Images to edit or combine, Image 1, Image 2, … |
prompt | string, required | — | Up to 50,000 characters. |
aspect_ratio | 21:9 / 16:9 / 3:2 / 4:3 / 5:4 / 1:1 / 4:5 / 3:4 / 2:3 / 9:16 | — | Omit to follow the first input image. |
output_format | jpeg / png | png | Output file format. |
resolution | 1K / 2K / 4K | 1K | Sets the per-image rate. |
Billing
$0.134 per output image at 1K or 2K and $0.24 at 4K, plus $0.0011 per input image, Google's list price.
| Inputs | 1K | 2K | 4K |
|---|---|---|---|
| 1 input image | $0.1351 | $0.1351 | $0.2411 |
| 3 input images | $0.1373 | $0.1373 | $0.2433 |
| 6 input images | $0.1406 | $0.1406 | $0.2466 |
Failed runs are not charged.
Prompting
- Say which image is the base and what each other image contributes.
- List what must not change.
Limits
- One output image per request.
Also on SandBase
Other Nano Banana endpoints: google/nano-banana-pro, google/nano-banana-2, google/nano-banana-2/edit, google/nano-banana-2-lite, google/nano-banana-2-lite/edit.
Start building
Send your first request
Submit this model through the SandBase Unified Run API.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/run" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "google/nano-banana-pro/edit",
"images": [
"https://ai.google.dev/static/gemini-api/docs/images/dress.png",
"https://ai.google.dev/static/gemini-api/docs/images/model.png"
],
"prompt": "Create a professional e-commerce fashion photo. Take the blue floral dress from the first image and let the woman from the second image wear it. Generate a realistic, full-body shot of the woman wearing the dress, with the lighting and shadows adjusted to match the outdoor environment.",
"resolution": "1K",
"output_format": "png"
}
SANDBASE_JSON
)
run_id=$(printf '%s' "$result" | jq -r .id)
for attempt in $(seq 1 120); do
status=$(printf '%s' "$result" | jq -r .status)
case "$status" in completed|failed|timeout) break ;; esac
sleep 2
result=$(curl --fail-with-body --silent \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
"https://api.sandbase.ai/v1/run/$run_id")
done
status=$(printf '%s' "$result" | jq -r .status)
[ "$status" = completed ] || { echo "Generation ended: $status" >&2; exit 1; }
printf '%s\n' "$result"2. Authentication
Create a SandBase API key and set it in your server environment. All requests use Bearer authentication.
export SANDBASE_API_KEY="YOUR_API_KEY"Keep the key on your server. Do not expose it in browser code or commit it to a repository.
3. Queue
Submit a request
POST to /v1/run with this model ID and its inputs. The request example above includes submission and polling.
Fetch request status and result
Use the returned run ID to poll until the status is completed, failed or timeout. Read output only after completed.
curl "https://api.sandbase.ai/v1/run/$RUN_ID" \
-H "Authorization: Bearer $SANDBASE_API_KEY"4. Files
Hosted files
Pass a publicly accessible file URL in the model’s image, video or audio field. Supported formats and limits are shown beside each Playground input.
Uploading images
Use the upload or replace control on supported image fields in the Playground. Video URL fields accept a hosted driving video; they do not imply video-upload support.
5. Schema
Input
promptstringrequired
The text prompt to generate an image from.
Default: "Create a professional e-commerce fashion photo. Take the blue floral dress from the first image and let the woman from the second image wear it. Generate a realistic, full-body shot of the woman wearing the dress, with the lighting and shadows adjusted to match the outdoor environment."
resolutionstring
The resolution of the image to generate.
Default: "1K"
Possible values: "1K", "2K", "4K"
aspect_ratiostring
The aspect ratio of the generated image. Leave empty to keep the aspect ratio of the input image.
Possible values: "21:9", "16:9", "3:2", "4:3", "5:4", "1:1", "4:5", "3:4", "2:3", "9:16"
output_formatstring
The format of the generated image.
Default: "png"
Possible values: "jpeg", "png"
{
"model": "google/nano-banana-pro/edit",
"images": [
"https://ai.google.dev/static/gemini-api/docs/images/dress.png",
"https://ai.google.dev/static/gemini-api/docs/images/model.png"
],
"prompt": "Create a professional e-commerce fashion photo. Take the blue floral dress from the first image and let the woman from the second image wear it. Generate a realistic, full-body shot of the woman wearing the dress, with the lighting and shadows adjusted to match the outdoor environment.",
"resolution": "1K",
"output_format": "png"
}Output
A completed run exposes its result in output. The following is the model’s saved example, not a new generation.
[
{
"source": "Google AI for Developers",
"source_url": "https://ai.google.dev/gemini-api/docs/image-generation",
"url": "https://static.sandbase.ai/examples/a24d699f-ac6b-4c57-b162-f6073c15d031/output/e849b750-a076-4693-8f0f-011973b72837.png"
}
]