# Seedream 5.0 Flash Edit

> ByteDance Seedream 5.0 Flash image editing via Fal.AI. Fast, low-cost editing and multi-reference composition from up to 10 input images (referenced as Figure 1, Figure 2, ...), at 1K-2K output.

- **Provider**: fal
- **Model ID**: bytedance/seedream/v5/flash/edit
- **Category**: image_generation
- **Credits**: 63 per request
- **Pricing Type**: input_based

## API Endpoint

Base URL: https://api.core.today/v1

### Create Prediction
POST /predictions

### Get Status
GET /predictions/{job_id}

### Cancel
DELETE /predictions/{job_id}

## Authentication

Header: `X-API-Key: YOUR_API_KEY`

## Input Parameters

- `enable_safety_checker` (boolean, optional): If set to true, the safety checker will be enabled. (Default: `True`)
- `image_urls` (array, **required**): Input reference images (refer to them in the prompt as Figure 1, Figure 2, ...). Up to 10; if more are sent, only the last 10 are used.
- `output_format` (string, optional): The file format of the generated image. (Default: `jpeg`; Options: `jpeg`, `png`)
- `prompt` (string, **required**): The text prompt used to edit the image.
- `image_size` (string, optional): Output size preset. auto_1K / auto_2K pick the aspect ratio automatically; total pixels must be between 1024x1024 and 2048x2048. (Default: `auto_2K`; Options: `auto_2K`, `auto_1K`, `square_hd`, `portrait_4_3`, `portrait_16_9`, `landscape_4_3`, `landscape_16_9`)
- `num_images` (integer, optional): Number of separate generations to run (one image each). Charged per image. (Default: `1`; Range: min: 1, max: 6)

## Example Request

```json
{
  "model": "bytedance/seedream/v5/flash/edit",
  "input": {
    "image_urls": [
      "https://storage.googleapis.com/falserverless/example_inputs/seedreamv45/seedream_v45_edit_input_1.png",
      "https://storage.googleapis.com/falserverless/example_inputs/seedreamv45/seedream_v45_edit_input_2.png",
      "https://storage.googleapis.com/falserverless/example_inputs/seedreamv45/seedream_v45_edit_input_3.png"
    ],
    "output_format": "jpeg",
    "prompt": "Replace the product in Figure 1 with that in Figure 2. Seamlessly render the logo in Figure 3 into the product design, in a frosted glass texture.",
    "image_size": "auto_2K"
  }
}
```

## Response Format

```json
{
  "job_id": "abc123",
  "status": "pending",
  "provider": "replicate",
  "model": "black-forest-labs/flux-schnell",
  "created_at": "2026-01-01T00:00:00Z",
  "result": null,
  "error": null
}
```

Status values: `pending`, `processing`, `completed`, `failed`, `cancelled`

## Usage Flow

1. POST /predictions with model and input → receive job_id
2. Poll GET /predictions/{job_id} until status is `completed` or `failed`
3. Result contains output URL(s) or data

## Output Type

json

## Tags

image-editing, image-to-image, seedream, bytedance

## Documentation

https://fal.ai/models/bytedance/seedream/v5/flash/edit