Generate Images Using Leonardo Phoenix Model

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Leonardo Phoenix is currently in preview.

For questions and feedback, please reach out via the support button on the lower right of the web app.

Follow this recipes to generate images using the Leonardo Phoenix model.

The guide will recreate the following functionality in the Web UI via API.

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": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
  "contrast": 3.5,
  "prompt": "an orange cat standing on a blue basketball with the text PAWS",
  "num_images": 4,
  "width": 1472,
  "height": 832,
  "alchemy": true,
  "styleUUID": "111dc692-d470-4eec-b791-3475abac4c46",
  "enhancePrompt": false
}
'

Sample Output

Required Parameters

• modelId - Should be set to 6b645e3a-d64f-4341-a6d8-7a3690fbf042 for Leonardo Phoenix.
• 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 in-app Pricing Calculator, or use the Pricing Calculator API similar to below.

curl --request POST \
     --url https://cloud.leonardo.ai/api/rest/v1/pricing-calculator \
     --header 'accept: application/json' \
     --header 'authorization: Bearer <YOUR_API_KEY>' \
     --header 'content-type: application/json' \
     --data '
{
  "serviceParams": {
    "IMAGE_GENERATION": {
      "isUltra": true,
      "imageHeight": 832,
      "imageWidth": 1472,
      "numImages": 4,
      "inferenceSteps": 10,
      "promptMagic": false,
      "alchemyMode": false,
      "highResolution": false,
      "isModelCustom": false,
      "isSDXL": false
    }
  },
  "service": "IMAGE_GENERATION"
}
'

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Caution

The in-app Pricing Calculator does not have a setting for adding image guidance (ControlNets). Please use the Pricing Calculator API or refer to the apiCreditCost in the API response.