Generate Images Using Flux
Follow this recipes to generate images using the Flux model.
The guide will recreate the following functionality in the Web UI via API.
![](https://files.readme.io/9bbe51122830004159b03244a46dca6a24668af9da47649c07f4674721d17bcd-Screenshot_2024-12-12_at_11.33.22.png)
Sample Request
curl --request POST \
--url https://cloud.leonardo.ai/api/rest/v1/generations \
--header 'accept: application/json' \
--header 'authorization: Bearer <YOUR_API_KEY>' \
--header 'content-type: application/json' \
--data '
{
"modelId": "b2614463-296c-462a-9586-aafdb8f00e36",
"contrast": 3.5,
"prompt": "an orange cat playing with a tennis ball with the text FLUX",
"num_images": 4,
"width": 1472,
"height": 832,
"alchemy": true,
"styleUUID": "111dc692-d470-4eec-b791-3475abac4c46",
"enhancePrompt": false
}
'
Sample Output
![Leonardo Phoenix with the prompt "an orange cat standing on a blue basketball with the text PAWS"](https://files.readme.io/fb20be839b2f9e81d66ac5d4f4b244f85374ea79a2b2c743b1b16a979b491939-Flux_Schnell_an_orange_cat_playing_with_a_tennis_ball_with_the_0.jpg)
Flux Precision (Flux Dev) with the prompt "an orange cat playing with a tennis ball with the text FLUX"
Required Parameters
-
modelId
Preset Model modelId Flux Speed Flux Schnell 1dd50843-d653-4516-a8e3-f0238ee453ff Flux Precision Flux Dev b2614463-296c-462a-9586-aafdb8f00e36 -
prompt - Text prompt to use for generation.
Supported Parameters
-
alchemy (Generation Mode - Fast / Quality)
Generation Mode Value Fast alchemy:false
Quality alchemy:true
Generation Mode uses the alchemy pipeline.
-
contrast
Contrast Value Low 3 Medium 3.5 High 4 Accepts [1.0, 1.3, 1.8, 2.5, 3, 3.5, 4, 4.5]. If alchemy is true, contrast needs to be 2.5 or higher.
-
enhancePrompt (Prompt Enhance)
- Set to false for OFF.
- Set to true for ON and specify
enhancePromptInstruction: "INSTRUCTION_AS_STRING"
.
-
height - Height input resolution.
-
num_images - Number of images.
-
styleUUID (Preset Style)
Preset Style UUID 3D Render debdf72a-91a4-467b-bf61-cc02bdeb69c6 Bokeh 9fdc5e8c-4d13-49b4-9ce6-5a74cbb19177 Cinematic a5632c7c-ddbb-4e2f-ba34-8456ab3ac436 Cinematic Concept 33abbb99-03b9-4dd7-9761-ee98650b2c88 Creative 6fedbf1f-4a17-45ec-84fb-92fe524a29ef Dynamic 111dc692-d470-4eec-b791-3475abac4c46 Fashion 594c4a08-a522-4e0e-b7ff-e4dac4b6b622 Graphic Design Pop Art 2e74ec31-f3a4-4825-b08b-2894f6d13941 Graphic Design Vector 1fbb6a68-9319-44d2-8d56-2957ca0ece6a HDR 97c20e5c-1af6-4d42-b227-54d03d8f0727 Illustration 645e4195-f63d-4715-a3f2-3fb1e6eb8c70 Macro 30c1d34f-e3a9-479a-b56f-c018bbc9c02a Minimalist cadc8cd6-7838-4c99-b645-df76be8ba8d8 Moody 621e1c9a-6319-4bee-a12d-ae40659162fa None 556c1ee5-ec38-42e8-955a-1e82dad0ffa1 Portrait 8e2bc543-6ee2-45f9-bcd9-594b6ce84dcd Ray Traced b504f83c-3326-4947-82e1-7fe9e839ec0f Sketch (B&W) be8c6b58-739c-4d44-b9c1-b032ed308b61 Sketch (Color) 093accc3-7633-4ffd-82da-d34000dfc0d6 Stock Photo 5bdc3f2a-1be6-4d1c-8e77-992a30824a2c Vibrant dee282d3-891f-4f73-ba02-7f8131e5541b -
ultra (Generation Mode - Ultra) - Set to
true
to turn on ultra. -
width - Width input resolution.
Cost
Please refer to the apiCreditCost in the API response.
Updated 6 days ago