Leonardo.ai

Leonardo.ai - AI Image Generation AI工具使用教程与评测

Freemium

Leonardo.ai is a creator-first professional AI image generation platform excelling in game assets, concept art, and creative design. It supports text-to-image, image-to-video, image editing, and upscaling with 80+ specialized models, serving users in 235 countries with over 4 billion assets generated — ideal for artists, designers, game developers, and marketers.

AI artgame assetsconcept artimage generationtext to imagevideo generationcreative designprofessional models
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Overview

Leonardo.ai Overview

Leonardo.ai is a creator-first professional AI generation platform focused on providing high-quality visual content creation tools for artists, designers, game developers, and marketers. The platform serves users in 235 countries worldwide, with over 4 billion assets generated and 80+ specialized AI models available.

Leonardo.ai's core strength lies in its rich library of professional models and fine-grained creative control, making it particularly well-suited for game asset production, concept art creation, and brand visual design. Users can access it directly at app.leonardo.ai or integrate its capabilities into their own products via the Developer API.

Core Features

Core Features

  • AI Image Generation: Generate high-quality visuals from simple prompts with custom models and styles for any creative scenario
  • AI Video Generation: Transform static images into dynamic video content with AI-driven animation and motion tools for social media and product experiences
  • Precision Image Editing: Fine-tune images while preserving key elements like characters, composition, and style — no need to start over
  • Universal Upscaler: Boost resolution and clarity for print, high-resolution displays, and professional delivery
  • 80+ Professional Models: Covering photorealism, anime, game art, architecture, fashion, and more
  • Custom Model Training: Upload reference images to train a personalized style model for brand or character consistency
  • ControlNet Support: Precisely guide image generation using structure, pose, depth, and other control images
  • Prompt Magic: Intelligently optimize prompts to improve generation quality
  • Realtime Generation: Instantly preview generation results as you type your prompt
  • Developer API: Full REST API for integrating all features into third-party applications
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How to Use

How to Use

Web App

  1. Visit app.leonardo.ai and register
  2. Free users receive 150 tokens daily
  3. Enter your prompt on the AI Image Generation page
  4. Select model, image size, generation count, and other parameters
  5. Generate, review results, and download

Common Workflows

  • Game Assets: Use Game Assets specialized models with ControlNet for character consistency
  • Concept Art: Use Concept Art models with negative prompts for precise style control
  • Product Images: Select Product Photography model, upload reference for style transfer
  • Video Animation: Upload static image in AI Video, set motion parameters for dynamic output

API Integration

import requests
headers = {'Authorization': 'Bearer YOUR_API_KEY'}
data = {
    'prompt': 'A fantasy warrior in armor, concept art style',
    'modelId': 'ac614f96-1082-45bf-be9d-757f2d31c174',
    'width': 1024,
    'height': 1024,
    'num_images': 1
}
response = requests.post(
    'https://cloud.leonardo.ai/api/rest/v1/generations',
    headers=headers, json=data
)
print(response.json())

Key Advantages

Key Advantages

  • Game & Creative Design Specialization: Outstanding performance for game assets, concept art, and character design — the go-to tool for game developers
  • Rich Model Library: 80+ professional models covering diverse styles and industry needs without requiring custom training
  • Fine Creative Control: ControlNet, image reference, style reference, and more for precise professional creative needs
  • Custom Training: Train dedicated models with just a few reference images for high brand and character consistency
  • Generous Free Tier: 150 free daily tokens — sufficient for regular personal use
  • Active Community: Millions of global creators sharing work and models with rich learning resources
  • Multi-Industry Coverage: Serving artists, designers, animators, photographers, marketers, developers across 16 industries
  • Comprehensive API: Full developer API for easy enterprise and developer integration
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Pricing

Pricing

Free Plan

  • 150 tokens per day, resetting daily
  • Access to all basic features and some professional models
  • Register at: app.leonardo.ai

Paid Plans (Subscription)

Plan Monthly Annual Tokens/Month Highlights
Apprentice $10/mo $8.4/mo 8,500 Basic paid features
Artisan $24/mo $20/mo 25,000 Priority generation, more features
Maestro $48/mo $40/mo 60,000 Full features, highest priority
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Get Help

Support & Resources

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Download Client

Download & Access

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Other Info

Additional Information

  • Company: Leonardo.ai, Sydney, Australia — founded 2022
  • Scale: Users in 235 countries, 4B+ assets generated, 80+ professional models
  • Industries: Gaming, film, advertising, fashion, architecture, education, and 10 more
  • Copyright: Paid users have commercial usage rights to generated images — see Terms of Service for details
  • Content Policy: Prohibited content is blocked with platform content moderation
  • Technical Highlights: Supports multiple mainstream diffusion models; proprietary Alchemy enhancement technology improves image quality
  • Enterprise: Custom enterprise solutions available at leonardo.ai/contact-us