Train a custom character model in Leonardo AI

Leonardo AI Try it →Watch full video →MaxAI Tech · Jul 2025

Demo summary

The tutorial walks through creating a dataset of 20 images and using the 'Train New Model' feature in Leonardo AI to create a specialized character element.

Step-by-step

Navigate to the advanced section on the left-hand menu and click on 'Models and Training'
Click the 'Train New Model' button
Select 'Character' and click 'Next'
Enter a name for your dataset
Upload between 20 and 50 high-quality images of your character
Click 'Next' and enter a name for the model
Click 'Start Training'
Monitor the progress under the 'Job Status' tab until it changes to 'Done'

Options

Configure Advanced Settings (though defaults are used in this example)

Watch out for

Requires a paid plan
Training process can take an hour or more

Tips

Ensure the dataset includes variety in angles, facial expressions, and lighting
Use the character reference tool in Leonardo to generate additional source images for the dataset
Use ChatGPT to help generate prompts for creating the source images
Aim for 20 to 50 high-quality pictures for the best results

Highlights

“you'll see that it's actually simpler than it sounds”

All demos from “Leonardo AI Consistent Character Tutorial (2025 Guide)”

1:151:19Generate a base character in Leonardo AIThe creator demonstrates how to use a detailed descriptive prompt and the Flux Dev model in Leonardo AI to generate a foundational character image.Leonardo AI· AI Person Generator
2:341:54Maintain character consistency using Fixed SeedsThe video shows how to copy an image's seed ID and use the 'Use Fixed Seed' toggle in Leonardo AI to keep a character's appearance stable across different scene prompts.Leonardo AI· AI Person Generator
4:281:59Using the Leonardo AI Character Reference toolThe user demonstrates the Character Reference tool by selecting a previously generated image and setting the reference strength to high to place the character in new environments.Leonardo AI· AI Person Generator
6:421:45Train a custom character model in Leonardo AICurrentThe tutorial walks through creating a dataset of 20 images and using the 'Train New Model' feature in Leonardo AI to create a specialized character element.Leonardo AI· AI Avatar Generator
8:270:56Generate images with a trained custom modelThe creator shows how to activate a newly trained custom model from the 'Elements' menu and use it to generate consistent character images in various scenes.Leonardo AI· AI Avatar Generator
Watch “Leonardo AI Consistent Character Tutorial (2025 Guide)” →

AI Avatar Generator

6:421:45Train a custom character model in Leonardo AICurrentThe tutorial walks through creating a dataset of 20 images and using the 'Train New Model' feature in Leonardo AI to create a specialized character element.MaxAI Tech
8:270:56Generate images with a trained custom modelThe creator shows how to activate a newly trained custom model from the 'Elements' menu and use it to generate consistent character images in various scenes.MaxAI Tech