Documentation Index
Fetch the complete documentation index at: /llms.txt
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Advanced Gemini 3 Pro model with 4K image generation, real-world grounding, and thinking process.
| Model id | gemini-3-pro-image |
| Media | image |
| Submit to | POST /v1/images |
| Price | 4 credits credits before discounts |
| Typical time | about 40.0 s |
promptaspect_ratio, image_quality, reference_images
{
"model": "gemini-3-pro-image",
"prompt": "Three-quarter character sheet of an Indian uncle in a cream kurta, clean forehead, soft studio key, seamless warm grey backdrop, photoreal, 50mm. No text.",
"aspect_ratio": "1:1",
"image_quality": "1K"
}
| Field | Allowed | Default |
|---|---|---|
aspect_ratio | 1:1, 3:2, 2:3, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, 21:9 | "1:1" |
image_quality | 1K, 2K, 4K | "1K" |
reference_images | asset ids (up to 10) |
POST /v1/uploads or an earlier output’s asset_id.
Prices and allowed values come from the live catalog; GET /v1/models/gemini-3-pro-image is always current.