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Leonardo Phoenix - Image Generator

Revolutionary next-generation AI image generation platform by Leonardo AI. Phoenix represents the pinnacle of AI creativity, featuring advanced Elements system, enhanced Alchemy technology, Prompt Magic, and comprehensive creative controls for professional and artistic applications requiring maximum quality and innovation.

Endpoint

Request Headers

FieldValue
API-KEY<api-key>
Content-Typeapplication/json

Parameters

ParameterTypeRequiredDescription
typestringYesFeature type identifier. Must be IMAGE_GENERATOR
modelstringYesAI model identifier. Must be 6b645e3a-d64f-4341-a6d8-7a3690fbf042
promptObjectobjectYesConfiguration object containing all generation parameters

Prompt Object Parameters

Basic Parameters

ParameterTypeRequiredDescriptionDefault
promptstringYesText description of the image to generate-
sizestringYesGenerated image dimensions1024x1024
nnumberYesNumber of images to generate (1-4)1
negativePromptstringNoDescribe what you don't want in the image-

Leonardo Common Parameters

ParameterTypeRequiredDescriptionDefaultRange
leonardo_guidance_scaleintegerNoHow strongly generation reflects the prompt71-20
leonardo_num_inference_stepsintegerNoNumber of inference steps for generation1510-60
leonardo_seedintegerNoFixed seed for consistency across generations-0-9999999998
leonardo_tillingbooleanNoWhether images should tile on all axesfalse-
leonardo_transparencystringNoType of transparency to use-disabled, foreground_only
leonardo_preset_stylestringNoStyle preset for generation-Dynamic based on Alchemy settings

Image Guidance Parameters

ParameterTypeRequiredDescriptionDefaultRange
leonardo_image_promptsarrayNoUpload images to use as image prompts-Max 4 images
leonardo_init_image_idstringNoInit image ID to influence generation features-Required for Fantasy Avatar
leonardo_init_strengthfloatNoHow strongly generated images reflect init image-0.1-0.9
leonardo_fantasy_avatarbooleanNoEnable Fantasy Avatar feature (requires Init Image ID when enabled)false-

Elements Parameters

ParameterTypeRequiredDescriptionDefaultRange
leonardo_elementsarrayNoArray of Elements to apply to generation[]Max 4 elements

Element Object Structure:

{
"akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
"weight": 0.1
}
Element PropertyTypeRequiredDescriptionRange
akUUIDstringYesUnique identifier for the ElementValid Element UUID
weightfloatYesStrength/influence of the Element0.1-1.0

Alchemy Parameters

ParameterTypeRequiredDescriptionDefaultRange
leonardo_alchemybooleanNoEnable Alchemy enhancementtrue-
leonardo_contrast_ratiofloatNoContrast ratio for Alchemy-0-1
leonardo_expanded_domainbooleanNoEnable Expanded Domain featurefalse-
leonardo_photo_realbooleanNoEnable PhotoReal featurefalse-
leonardo_photo_real_versionstringNoPhotoReal version (automatically set to v2 when PhotoReal is enabled)v2v2
leonardo_photo_real_strengthfloatNoPhotoReal depth of field (v1 only)0.550.45, 0.5, 0.55

Prompt Magic Parameters

ParameterTypeRequiredDescriptionDefaultRange
leonardo_prompt_magicbooleanNoEnable Prompt Magicfalse-
leonardo_prompt_magic_versionstringNoPrompt Magic versionv3v2, v3
leonardo_prompt_magic_strengthfloatNoStrength of Prompt Magic-0.1-1.0
leonardo_hight_constrastbooleanNoEnable High Contrast (controls RAW mode)false-
leonardo_hight_resolutionbooleanNoEnable High Resolutionfalse-

Enhance Prompt Parameters

ParameterTypeRequiredDescriptionDefault
leonardo_enhance_promptbooleanNoEnable prompt enhancementfalse
leonardo_enhance_prompt_instructionstringNoInstructions for prompt enhancement-

Supported Image Sizes

SizeResolutionUse Case
512x512Standard squareQuick generations, thumbnails
1024x768LandscapeWide aspect ratio images
768x1024PortraitVertical aspect ratio images
1024x1024High-res squareHigh-quality square images

Leonardo Phoenix Features

FeatureDescription
Advanced Elements SystemRevolutionary Elements technology for precise creative control
Next-Gen AlchemyEnhanced Alchemy processing for superior quality and detail
Prompt Magic v3AI-powered prompt expansion and optimization
PhotoReal TechnologyPhotorealistic image generation with Phoenix enhancements
Fantasy AvatarCharacter-focused generation with init images
Expanded DomainEnhanced creative possibilities and artistic range
Image GuidanceUse reference images to guide generation
High ResolutionEnhanced detail and clarity with Phoenix optimization
Professional QualityCommercial-grade image output with revolutionary technology

Code Examples

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
"promptObject": {
"prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
"size": "1024x1024",
"n": 1,
"leonardo_alchemy": true,
"leonardo_guidance_scale": 7,
"leonardo_num_inference_steps": 15,
"leonardo_prompt_magic": true,
"leonardo_prompt_magic_version": "v3",
"leonardo_elements": [
{
"akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
"weight": 0.1
}
]
}
}'

Interactive Playground

API Playground

https://api.1min.ai/api/features
Describe the image you want to generate
Describe what you don't want in the image
Generated image dimensions
Number of images to generate (1-4)
How strongly generation reflects the prompt (1-20)
Number of inference steps (10-60)
Fixed seed for consistency (0-9999999998)
Enable tiling on all axes
Enable Alchemy enhancement
Alchemy contrast ratio (0-1)
Enable Expanded Domain feature
How strongly generated images reflect init image (0.1-0.9)
Enable Fantasy Avatar feature (requires Init Image ID when enabled)
JSON array of Elements to apply (e.g., [{"akUUID": "840f7698-2db2-4356-aa92-9444cea38223", "weight": 0.1}])
Enable Prompt Magic
Prompt Magic version (v2 or v3)
Strength of Prompt Magic (0.1-1.0)
Enable High Contrast (controls RAW mode)
Enable High Resolution
Enable prompt enhancement
Instructions for prompt enhancement

Generated cURL Command:

curl -X POST "https://api.1min.ai/api/features" \
-H "API-KEY: <your-api-key>" \
-H "Content-Type: application/json" \
-d '{
"type": "IMAGE_GENERATOR",
"model": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
"promptObject": {
"prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
"size": "1024x1024",
"n": 1,
"leonardo_alchemy": true,
"leonardo_guidance_scale": 7,
"leonardo_num_inference_steps": 15
}
}'

Response Format

{
"aiRecord": {
"uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
"userId": "user-12345",
"teamId": "team-67890",
"model": "6b645e3a-d64f-4341-a6d8-7a3690fbf042",
"type": "IMAGE_GENERATOR",
"status": "SUCCESS",
"createdAt": "2025-01-15T10:50:00.000Z",
"aiRecordDetail": {
"promptObject": {
"prompt": "Professional portrait of a business person in modern office, photorealistic, high quality",
"size": "1024x1024",
"n": 1,
"leonardo_alchemy": true,
"leonardo_guidance_scale": 7,
"leonardo_num_inference_steps": 15,
"leonardo_prompt_magic": true,
"leonardo_prompt_magic_version": "v3",
"leonardo_elements": [
{
"akUUID": "840f7698-2db2-4356-aa92-9444cea38223",
"weight": 0.1
}
]
},
"resultObject": [
"development/images/2025_01_15_10_50_45_001_phoenix.webp"
]
},
"temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_phoenix.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

Professional Applications

  • Corporate Photography: Executive portraits, team photos, professional headshots
  • Marketing Content: Product photography, advertising visuals, brand imagery
  • E-commerce: Product shots, lifestyle imagery, catalog photography
  • Real Estate: Property visualization, interior design concepts
  • Fashion: Model photography, clothing displays, style concepts

Creative Projects

  • Digital Art: Concept art, character design, fantasy illustrations
  • Content Creation: Social media content, blog illustrations, thumbnails
  • Entertainment: Game assets, movie concepts, book covers
  • Educational Materials: Infographics, training materials, presentations
  • Personal Projects: Portraits, artistic expression, hobby projects

Advanced Features Usage

  • Alchemy Enhanced: Use for highest quality commercial work
  • Prompt Magic: Ideal for users wanting AI-assisted prompt optimization
  • PhotoReal: Perfect for realistic photography needs
  • Fantasy Avatar: Character generation with reference images
  • Image Guidance: Maintain style consistency across image series

Tips for Best Results

Prompt Optimization

  1. Descriptive Language: Use specific, detailed descriptions
  2. Technical Terms: Include photography terms (aperture, lighting, composition)
  3. Style References: Mention specific art styles, artists, or movements
  4. Quality Keywords: Add terms like "high quality", "detailed", "professional"

Parameter Tuning

  1. Guidance Scale:

    • 7-10: Balanced, recommended for most use cases
    • 11-15: Higher prompt adherence, more detailed
    • 1-6: More creative freedom, less prompt constraint
  2. Inference Steps:

    • 15-20: Standard quality, faster generation
    • 30-50: Higher quality, more refinement
    • 50-60: Maximum quality, slower generation
  3. Alchemy Settings:

    • Enable for commercial work requiring highest quality
    • Use PhotoReal for photographic realism
    • Combine with High Resolution for maximum detail

Advanced Workflows

  1. Batch Generation: Generate multiple images (n=2-4) to compare results
  2. Iterative Refinement: Use successful generations as init images
  3. Style Consistency: Use fixed seeds for consistent results across series
  4. Enhancement Pipeline: Combine Alchemy + Prompt Magic + High Resolution