FLUX 3 image generation and editing
flux-3-imageBlack Forest Labs' latest image model: generate from a prompt or edit with up to 10 reference images, from 768px to 4K. Compared with other image tools: budget. Price: from $0.029 per image, charged only on success. Price depends on resolution: 768sq $0.029, 1k $0.034, 1.5k $0.049, 2k $0.069, 4k $0.411 (default 1k). 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-3-image"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| images | No | Reference or source image URLs (https), optional | |
| prompt | Yes | What to create or change | |
| resolution | No | Sets the price. Default 1k | |
| aspect_ratio | No | Aspect ratio, default auto | |
| output_format | No |