Leonardo Vision XL - Image Generator

Advanced vision-focused AI image generation model by Leonardo AI. Specializes in creating highly detailed, visually striking imagery with exceptional clarity, precise composition, outstanding visual fidelity, and comprehensive creative controls including Alchemy enhancement and Prompt Magic for professional applications.

Endpoint

POSThttps://api.1min.ai/api/features

Request Headers

Field	Value
API-KEY	<api-key>
Content-Type	application/json

Parameters

Parameter	Type	Required	Description
type	string	Yes	Feature type identifier. Must be IMAGE_GENERATOR
model	string	Yes	AI model identifier. Must be 5c232a9e-9061-4777-980a-ddc8e65647c6
promptObject	object	Yes	Configuration object containing all generation parameters

Prompt Object Parameters

Basic Parameters

Parameter	Type	Required	Description	Default
prompt	string	Yes	Text description of the image to generate	-
size	string	Yes	Generated image dimensions	1024x1024
n	number	Yes	Number of images to generate (1-4)	1
negativePrompt	string	No	Describe what you don't want in the image	-

Leonardo Common Parameters

Parameter	Type	Required	Description	Default	Range
leonardo_guidance_scale	integer	No	How strongly generation reflects the prompt	7	1-20
leonardo_num_inference_steps	integer	No	Number of inference steps for generation	15	10-60
leonardo_seed	integer	No	Fixed seed for consistency across generations	-	0-9999999998
leonardo_tilling	boolean	No	Whether images should tile on all axes	false	-
leonardo_transparency	string	No	Type of transparency to use	-	disabled, foreground_only
leonardo_preset_style	string	No	Style preset for generation	-	Dynamic based on Alchemy settings

Image Guidance Parameters

Parameter	Type	Required	Description	Default	Range
leonardo_image_prompts	array	No	Upload images to use as image prompts	-	Max 4 images
leonardo_init_image_id	string	No	Init image ID to influence generation features	-	Required for Fantasy Avatar
leonardo_init_strength	float	No	How strongly generated images reflect init image	-	0.1-0.9
leonardo_fantasy_avatar	boolean	No	Enable Fantasy Avatar feature (requires Init Image ID when enabled)	false	-

Alchemy Parameters

Parameter	Type	Required	Description	Default	Range
leonardo_alchemy	boolean	No	Enable Alchemy enhancement	true	-
leonardo_contrast_ratio	float	No	Contrast ratio for Alchemy	-	0-1
leonardo_expanded_domain	boolean	No	Enable Expanded Domain feature	false	-
leonardo_photo_real	boolean	No	Enable PhotoReal feature	false	-
leonardo_photo_real_version	string	No	PhotoReal version (automatically set to v2 when PhotoReal is enabled)	v2	v2
leonardo_photo_real_strength	float	No	PhotoReal depth of field (v1 only)	0.55	0.45, 0.5, 0.55

Prompt Magic Parameters

Parameter	Type	Required	Description	Default	Range
leonardo_prompt_magic	boolean	No	Enable Prompt Magic	false	-
leonardo_prompt_magic_version	string	No	Prompt Magic version	v3	v2, v3
leonardo_prompt_magic_strength	float	No	Strength of Prompt Magic	-	0.1-1.0
leonardo_hight_constrast	boolean	No	Enable High Contrast (controls RAW mode)	false	-
leonardo_hight_resolution	boolean	No	Enable High Resolution	false	-

Enhance Prompt Parameters

Parameter	Type	Required	Description	Default
leonardo_enhance_prompt	boolean	No	Enable prompt enhancement	false
leonardo_enhance_prompt_instruction	string	No	Instructions for prompt enhancement	-

Supported Image Sizes

Size	Resolution	Use Case
512x512	Standard square	Quick concepts, thumbnails
1024x768	Landscape	Wide detailed scenes, environments
768x1024	Portrait	Detailed portraits, vertical compositions
1024x1024	High-res square	Maximum detail, professional work

Vision XL Features

Feature	Description
Exceptional Visual Clarity	Ultra-high detail resolution and precision
Advanced Detail Recognition	Superior fine detail preservation and enhancement
Professional Visual Fidelity	Commercial-grade image quality and accuracy
Precise Composition Control	Exact visual element placement and arrangement
Alchemy Enhancement	Advanced AI processing for superior visual quality
Prompt Magic	AI-powered prompt expansion for visual contexts
PhotoReal Technology	Photorealistic image generation capabilities
High Resolution	Enhanced detail for professional visual applications

Code Examples

cURL

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
  "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": true,
  "leonardo_guidance_scale": 12,
  "leonardo_num_inference_steps": 40,
  "leonardo_prompt_magic": true,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_hight_resolution": true
}
}'

JavaScript

fetch('https://api.1min.ai/api/features', {
method: 'POST',
headers: {
  'Content-Type': 'application/json',
  'API-KEY': 'YOUR_API_KEY'
},
body: JSON.stringify({
  type: 'IMAGE_GENERATOR',
  model: '5c232a9e-9061-4777-980a-ddc8e65647c6',
  promptObject: {
    prompt: 'ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution',
    negativePrompt: 'blurry, soft focus, low resolution, poor detail, unclear',
    size: '1024x1024',
    n: 1,
    leonardo_alchemy: true,
    leonardo_guidance_scale: 12,
    leonardo_num_inference_steps: 40,
    leonardo_prompt_magic: true,
    leonardo_prompt_magic_version: 'v3',
    leonardo_hight_resolution: true
  }
})
})

Python

import requests

url = "https://api.1min.ai/api/features"
headers = {
"Content-Type": "application/json",
"API-KEY": "YOUR_API_KEY"
}

data = {
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
  "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
  "size": "1024x1024",
  "n": 1,
  "leonardo_alchemy": True,
  "leonardo_guidance_scale": 12,
  "leonardo_num_inference_steps": 40,
  "leonardo_prompt_magic": True,
  "leonardo_prompt_magic_version": "v3",
  "leonardo_hight_resolution": True
}
}

response = requests.post(url, headers=headers, json=data)

Interactive Playground

API Playground

GETPOSTPUTDELETEhttps://api.1min.ai/api/features

Prompt *

Describe the high-detail image you want to generate

ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution

Negative Prompt

Describe what you don't want in the image

blurry, soft focus, low resolution, poor detail, unclear

Image Size *

Generated image dimensions

512x512 - Square Standard1024x768 - Landscape768x1024 - Portrait1024x1024 - Square HD (Recommended)

Number of Images *

Number of images to generate (1-4)

Guidance Scale

How strongly generation reflects the prompt (1-20)

Inference Steps

Number of inference steps (10-60)

Seed

Fixed seed for consistency (0-9999999998)

Tilling

Enable tiling on all axes

Transparency

Type of transparency to use

DisabledForeground Only

Alchemy

Enable Alchemy enhancement

Contrast Ratio

Alchemy contrast ratio (0-1)

Expanded Domain

Enable Expanded Domain feature

Photo Real

Enable PhotoReal feature

Init Strength

How strongly generated images reflect init image (0.1-0.9)

Fantasy Avatar

Enable Fantasy Avatar feature (requires Init Image ID when enabled)

Prompt Magic

Enable Prompt Magic

Prompt Magic Version

Prompt Magic version (v2 or v3)

v2v3

Prompt Magic Strength

Strength of Prompt Magic (0.1-1.0)

High Contrast

Enable High Contrast (controls RAW mode)

High Resolution

Enable High Resolution

Enhance Prompt

Enable prompt enhancement

Enhance Prompt Instruction

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": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "promptObject": {
    "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
    "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
    "size": "1024x1024",
    "n": 1,
    "leonardo_alchemy": true,
    "leonardo_guidance_scale": 12,
    "leonardo_num_inference_steps": 40
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
  "userId": "user-12345",
  "teamId": "team-67890",
  "model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2025-01-15T10:50:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "ultra-detailed macro photography, crystal clear details, sharp focus, professional lighting, high resolution",
      "negativePrompt": "blurry, soft focus, low resolution, poor detail, unclear",
      "size": "1024x1024",
      "n": 1,
      "leonardo_alchemy": true,
      "leonardo_guidance_scale": 12,
      "leonardo_num_inference_steps": 40,
      "leonardo_prompt_magic": true,
      "leonardo_prompt_magic_version": "v3",
      "leonardo_hight_resolution": true
    },
    "resultObject": [
      "development/images/2025_01_15_10_50_45_001_vision_detail.webp"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_vision_detail.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

Professional Photography & Visual Arts

• Macro Photography: Ultra-detailed close-up imagery with exceptional clarity
• Product Photography: High-resolution product shots with precise detail
• Fine Art Photography: Professional artistic imagery with superior visual quality
• Portrait Photography: Crystal-clear portraits with exceptional detail rendering
• Architectural Photography: Detailed building and interior photography

Scientific & Technical Visualization

• Medical Imaging: Detailed anatomical and medical visualizations
• Scientific Illustrations: Precise scientific diagrams and educational materials
• Technical Documentation: High-clarity technical illustrations and manuals
• Research Visualization: Detailed research presentations and academic materials
• Engineering Graphics: Precise technical drawings and specifications

Commercial & Marketing Applications

• High-End Advertising: Premium brand imagery requiring exceptional quality
• Print Media: High-resolution imagery for magazines and publications
• Digital Marketing: Crystal-clear web graphics and social media content
• E-commerce: Detailed product imagery for online retail
• Corporate Communications: Professional business imagery and presentations

Creative & Artistic Projects

• Digital Art: High-detail digital artwork and creative compositions
• Concept Art: Detailed conceptual imagery for creative projects
• Illustration Work: Professional illustrations with exceptional clarity
• Portfolio Development: High-quality imagery for artistic portfolios
• Exhibition Work: Gallery-quality digital art and visual displays

Vision-Focused Prompt Engineering

Detail Enhancement Terms

1. Clarity & Sharpness:

   • "ultra-detailed", "crystal clear", "razor sharp", "pin-sharp focus"
   • "exceptional clarity", "pristine detail", "perfect sharpness", "microscopic detail"

2. Resolution & Quality:

   • "high resolution", "ultra-high definition", "4K quality", "8K detail"
   • "professional quality", "commercial grade", "exhibition quality", "print quality"

3. Visual Precision:

   • "precise detail", "accurate rendering", "perfect definition", "flawless clarity"
   • "professional standard", "laboratory precision", "technical accuracy"

Photography Techniques

1. Focus & Depth:

   • "macro lens", "shallow depth of field", "tack sharp", "perfect focus"
   • "hyperfocal distance", "focus stacking", "depth of field control"

2. Lighting for Detail:

   • "diffused lighting", "studio lighting", "professional illumination"
   • "even lighting", "shadow detail", "highlight detail", "perfect exposure"

3. Composition for Clarity:

   • "centered composition", "rule of thirds", "symmetrical framing"
   • "clean background", "isolated subject", "uncluttered composition"

Technical Quality Specifications

1. Image Quality Terms:

   • "noise-free", "grain-free", "artifact-free", "distortion-free"
   • "color accurate", "true to life", "faithful reproduction"

2. Professional Standards:

   • "color calibrated", "professionally processed", "studio standard"
   • "museum quality", "archival quality", "conservation standard"

Advanced Vision Optimization

Maximum Detail Settings

1. Parameter Configuration:

   • Guidance Scale: 10-15 for maximum detail adherence
   • Inference Steps: 35-50 for finest detail resolution
   • High Resolution: Always enable for professional work
   • Alchemy: Essential for maximum visual quality

2. Quality Optimization:

   • Use highest available resolution settings
   • Enable all enhancement features
   • Apply precise prompting for specific details
   • Multiple generations for selection

Professional Workflows

1. Detail-Focused Pipeline:

   • Concept → Detail Specification → High-Quality Generation → Final Enhancement
   • Progressive detail refinement through iterations
   • Quality control at each stage

2. Technical Applications:

   • Scientific accuracy requirements
   • Medical precision standards
   • Engineering specification compliance
   • Research documentation quality

Visual Quality Control

1. Detail Verification:

   • Zoom testing for clarity at all scales
   • Edge sharpness evaluation
   • Color accuracy assessment
   • Overall visual fidelity review

2. Professional Standards:

   • Print readiness evaluation
   • Display optimization testing
   • Cross-platform compatibility
   • Long-term archival quality

Vision XL Best Practices

Clarity Maximization

1. Prompt Construction:

   • Lead with clarity and detail terms
   • Specify exact visual requirements
   • Include professional quality descriptors
   • Avoid vague or general terms

2. Technical Precision:

   • Use photography terminology
   • Specify equipment and techniques
   • Include lighting specifications
   • Mention material properties

Professional Applications

1. Commercial Standards:

   • Always use maximum quality settings
   • Enable all enhancement features
   • Generate multiple options for selection
   • Implement quality control processes

2. Technical Requirements:

   • Meet industry-specific standards
   • Ensure regulatory compliance
   • Maintain consistency across projects
   • Document quality specifications

Credit Usage

Leonardo Vision XL generation costs by image size and quantity:

Size	1 Image	2 Images	3 Images	4 Images
512x512	234 credits	234 credits	260 credits	286 credits
1024x768	260 credits	312 credits	364 credits	416 credits
768x1024	260 credits	312 credits	364 credits	416 credits
1024x1024	286 credits	338 credits	416 credits	468 credits

Vision Quality Investment

For maximum detail and clarity, invest in the highest resolution (1024x1024) and enable all enhancement features. The superior visual quality justifies the credit investment for professional applications.

Notes

Vision Excellence

Leonardo Vision XL is optimized for exceptional visual clarity and detail. For best results, use precise detail-focused prompts and enable all quality enhancement features.

Professional Applications

This model excels at professional applications requiring maximum visual fidelity, from commercial photography to scientific visualization and technical documentation.

Detail Requirements

Vision-focused applications benefit from higher quality settings and more inference steps. Consider the computational investment for maximum detail output.

Authentication

This endpoint requires an API key to be provided in the API-KEY header.

Parameter	Type	Required	Description	Default
prompt	string	Yes	Text description of the image to generate	-
negativePrompt	string	Yes	Elements to exclude from the generated image	-
size	string	Yes	Generated image dimensions	1024x1024
n	number	Yes	Number of images to generate (1-4)	1

Supported Image Sizes

Size	Resolution	Use Case
1024x1024	1 megapixel	High-quality detailed imagery

Vision XL Features

Feature	Description
Visual Excellence	Superior clarity and detail reproduction
Composition Mastery	Professional-grade visual composition
Detail Precision	Exceptional fine detail and texture quality
Color Accuracy	True-to-life color reproduction and balance
Professional Vision	Industry-standard visual quality

Visual Specializations

Focus Area	Description
Portrait Photography	Exceptional facial detail and expression
Landscape Photography	Rich environmental detail and atmosphere
Product Photography	Commercial-quality product visualization
Architectural Visualization	Precise structural and spatial representation
Macro Photography	Intricate close-up detail and texture

Code Examples

cURL

curl --location 'https://api.1min.ai/api/features' \
--header 'API-KEY: <api-key>' \
--header 'Content-Type: application/json' \
--data '{
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "High-resolution portrait with crystal clear details and perfect lighting",
  "negativePrompt": "blurry, soft focus, low resolution, poor quality",
  "size": "1024x1024",
  "n": 1
}
}'

JavaScript

fetch('https://api.1min.ai/api/features', {
method: 'POST',
headers: {
  'Content-Type': 'application/json',
  'API-KEY': 'YOUR_API_KEY'
},
body: JSON.stringify({
  type: 'IMAGE_GENERATOR',
  model: '5c232a9e-9061-4777-980a-ddc8e65647c6',
  promptObject: {
    prompt: 'High-resolution portrait with crystal clear details and perfect lighting',
    negativePrompt: 'blurry, soft focus, low resolution, poor quality',
    size: '1024x1024',
    n: 1
  }
})
})

Python

import requests

url = "https://api.1min.ai/api/features"
headers = {
"Content-Type": "application/json",
"API-KEY": "YOUR_API_KEY"
}

data = {
"type": "IMAGE_GENERATOR",
"model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
"promptObject": {
  "prompt": "High-resolution portrait with crystal clear details and perfect lighting",
  "negativePrompt": "blurry, soft focus, low resolution, poor quality",
  "size": "1024x1024",
  "n": 1
}
}

response = requests.post(url, headers=headers, json=data)

Interactive Playground

API Playground

GETPOSTPUTDELETEhttps://api.1min.ai/api/features

AI Model *Leonardo Vision XL

Prompt *

Describe the image you want to generate

High-resolution portrait with crystal clear details and perfect lighting

Negative Prompt *

Elements to exclude from the generated image

blurry, soft focus, low resolution, poor quality

Image Size *

Generated image dimensions

1024x1024 - Square HD

Number of Images *

Number of images to generate (1-4)

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": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "promptObject": {
    "prompt": "High-resolution portrait with crystal clear details and perfect lighting",
    "negativePrompt": "blurry, soft focus, low resolution, poor quality",
    "size": "1024x1024",
    "n": 1
  }
}'

Response Format

{
"aiRecord": {
  "uuid": "e4f5g6h7-i8j9-0123-4567-890123defghi",
  "userId": "user-12345",
  "teamId": "team-67890",
  "model": "5c232a9e-9061-4777-980a-ddc8e65647c6",
  "type": "IMAGE_GENERATOR",
  "status": "SUCCESS",
  "createdAt": "2025-01-15T10:50:00.000Z",
  "aiRecordDetail": {
    "promptObject": {
      "prompt": "High-resolution portrait with crystal clear details and perfect lighting",
      "negativePrompt": "blurry, soft focus, low resolution, poor quality",
      "size": "1024x1024",
      "n": 1
    },
    "resultObject": [
      "development/images/2025_01_15_10_50_45_001_vision_portrait.webp"
    ]
  },
  "temporaryUrl": "https://s3.us-east-1.amazonaws.com/asset.1min.ai/development/images/2025_01_15_10_50_45_001_vision_portrait.webp?X-Amz-Algorithm=AWS4-HMAC-SHA256&..."
}
}

Use Cases

• Professional Photography: High-end portrait and commercial photography
• Product Visualization: Detailed product imagery for e-commerce
• Architectural Rendering: Precise building and interior visualization
• Medical Imaging: Detailed anatomical and scientific visualization
• Quality Control: High-precision visual documentation

Vision-Focused Prompting

1. Clarity and Detail:

   • Emphasize: "crystal clear", "sharp focus", "high definition"
   • Specify: "macro detail", "fine texture", "intricate patterns"
   • Quality: "professional photography", "studio quality"

2. Technical Photography:

   • Camera settings: "f/1.4 aperture", "85mm lens", "shallow depth of field"
   • Lighting: "studio lighting", "softbox", "key light and fill"
   • Resolution: "4K quality", "ultra-high definition", "pixel perfect"

3. Visual Composition:

   • Framing: "rule of thirds", "centered composition", "leading lines"
   • Perspective: "eye level", "low angle", "birds eye view"
   • Focus: "foreground focus", "background blur", "selective focus"

Tips for Best Results

1. Maximum Detail:

   • Use descriptive language for textures and materials
   • Specify lighting conditions and technical requirements
   • Include quality and resolution keywords

2. Professional Standards:

   • Reference photography terminology and techniques
   • Specify camera equipment and settings
   • Include post-processing style preferences

3. Visual Excellence:

   • Focus on composition and visual impact
   • Use negative prompts to exclude quality issues
   • Emphasize clarity and sharpness

Notes

Vision Excellence

Leonardo Vision XL is optimized for creating images with exceptional visual clarity and detail, making it ideal for applications requiring the highest quality visual output.

Authentication

This endpoint requires an API key to be provided in the API-KEY header.