FLUX Kontext Fast image editing
flux-kontext-fastA speed-tuned FLUX Kontext: edit an image with a plain-language instruction in a few seconds, at a low flat price. Compared with other image tools: budget. Price: $0.015 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>",
"image": "<image>"
},
"name": "flux-kontext-fast"
}
}Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| seed | No | ||
| image | Yes | Image to edit (https URL) | |
| prompt | Yes | The change you want | |
| aspect_ratio | No | Aspect ratio, default match_input_image | |
| output_format | No |