FLUX Dev image generation
flux-devThe popular 12B open-weight FLUX model: strong quality at a low price, with optional image-to-image. Compared with other image tools: budget. Price: $0.035 per image, charged only on success. One call = one image.
Tool call template
Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.
{
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"prompt": "<prompt>"
},
"name": "flux-dev"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| seed | No | ||
| image | No | Optional source image for image-to-image | |
| prompt | Yes | What to create or change | |
| guidance | No | ||
| aspect_ratio | No | Aspect ratio, default 1:1 | |
| output_format | No | ||
| prompt_strength | No | How far to move from the source image |