bria/genfill
Genfill is Bria's intelligent image editing model. Transform, retouch, and reimagine existing images using text prompts - from background replacement to artistic style conversion.
PNG, JPEG, WebP, or GIF · 20 MiB maximum
PNG, JPEG, WebP, or GIF · 20 MiB maximum
Example output — click Run to generate your own
Send your first request
OpenAI-compatible endpoint with unified authentication and usage tracking.
https://api.sandbase.ai/v1/runbria/genfillInput Schema
4 parameters · 2 required · 2 optional
| Parameter | Type | Required | Description |
|---|---|---|---|
image | string | Required | Input Image to erase from |
prompt | string | Required | The prompt you would like to use to generate images. |
mask | string | Optional | The URL of the binary mask image that represents the area that will be cleaned. |
seed | integer | Optional | The same seed and the same prompt given to the same version of the model will output the same image every time. · Min: 0 · Max: 2147483647 |
Output Schema
| Field | Type | Description |
|---|---|---|
id | string | Unique identifier for the generation task |
status | string | Task status: pending, running, completed, failed, timeout |
model | string | Model used for the generation |
outputs | array | Array of output items |
outputs[].url | string | URL of the generated artifact |
outputs[].content_type | string | MIME type (e.g. image/png, video/mp4) |
error | object | null | Error details if failed, null on success |
error.type | string | Machine-readable error type code |
error.message | string | Human-readable error description |
Async Workflow
This model uses asynchronous execution. Submit a request and poll for the result.
- Submit — POST to /v1/run, receive an
id - Poll — GET /v1/run/{id} until status is
completed,failed, ortimeout - Retrieve — Read
outputsfrom the completed response
Code Examples
Ready-to-run snippets
# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "bria/genfill",
"mask": "https://static.sandbase.ai/examples/bria/genfill/input_mask_1.png",
"image": "https://static.sandbase.ai/examples/bria/genfill/input_image_0.png",
"prompt": "A red delicious cherry"
}'
# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
-H "Authorization: Bearer YOUR_API_KEY"API README
Bria Genfill
Bria Genfill is built for generative filling of a selected image region with contextually matched content. It gives creative and production teams a focused way to move from an approved brief or source asset to a reviewable result without fragmenting the job across unrelated tools. The model is most valuable when visual intent, brand suitability, and downstream usability all matter, because its output can enter an editorial, campaign, product, or content pipeline as a purposeful asset rather than an isolated experiment.
In practice, teams can use Bria Genfill during a structured cycle of briefing, generation, comparison, and refinement. Establish the subject, audience, visual objective, and acceptance criteria first; prepare any reference media at suitable quality; then evaluate alternatives for composition, continuity, realism, and communication value before delivery. This workflow keeps creative judgment central while making repeated production easier to review, reproduce, and scale for the specific bria/genfill task.
Highlights
Mask-guided generation. Mask-guided generation gives bria › genfill a recognizable technical advantage: reviewers can assess this property directly in the generated asset instead of inferring it from request mechanics.
Context-sensitive fill. bria › genfill applies context-sensitive fill to the visual or temporal result itself, helping artists make a meaningful quality decision during selection and refinement.
Texture and lighting continuity. For bria › genfill, texture and lighting continuity supports coherent assets across the intended creative workflow and distinguishes this capability from a simple format or delivery option.
Non-destructive surrounding detail. The practical value of non-destructive surrounding detail is visible in the finished media from bria › genfill, where it supports repeatable art direction rather than merely exposing another request setting.
Pricing
| Billing basis | Price |
|---|---|
| Per request | $0.040000 |
When to Use
| ✅ Good fit | ❌ Consider alternatives |
|---|---|
| Use it when generative filling of a selected image region with contextually matched content is the central production goal | Choose a different model when the required media task is fundamentally different |
| The team needs several reviewable creative alternatives | Exact deterministic reproduction is mandatory |
| Visual quality and practical downstream use both matter | Editable source layers or native project files are required |
| A managed generation step fits the delivery workflow | A live frame-by-frame interactive editor is essential |
| The documented inputs cover the available source assets | Required source media or controls fall outside the documented fields |
Prompt Guide
State the intended result first, then describe the subject, environment, action, visual treatment, and delivery constraints. Keep instructions concrete, avoid conflicting directions, and change one creative variable at a time when comparing outputs. For source-driven work, describe what should remain recognizable as clearly as what should change.
{
"image": "https://static.sandbase.ai/examples/bria/genfill/input_image_0.png",
"prompt": "A red delicious cherry"
}
Technical Specs
| Property | Details |
|---|---|
mask | Type / options: string<br>Required: No<br>Description: The URL of the binary mask image that represents the area that will be cleaned. |
seed | Type / options: integer · 0–2147483647<br>Required: No<br>Description: The same seed and the same prompt given to the same version of the model will output the same image every time. |
image | Type / options: string<br>Required: Yes<br>Description: Input Image to erase from |
prompt | Type / options: string<br>Required: Yes<br>Description: The prompt you would like to use to generate images. |
Related Models
bria/background/removebria/background/replacebria/embed-product