Leonardo.AI Review: The Power User's Image Playground

Most image tools hand you a prompt box and hope. Leonardo.AI hands you a toolbox. Built around fine-tuned models, custom training and layered composition, it appeals to the kind of person who wants to understand the machine rather than just pull the lever. I spent a month pushing it on character consistency and game-asset style work, where its reputation lives.

The strengths

Models you can choose and train

A library of specialised fine-tuned models — anime, photorealism, game assets, concept art — plus the ability to train your own on a style or character. That customisation is the core of its power.

Real control features

Separate elements, inpainting, outpainting, control over composition and a canvas for assembling scenes. You can build an image the way an artist composes one, not just describe it.

A serious free tier

You can do real work without paying, which makes it the best place to learn whether the craft approach suits you.

The weaknesses

Steeper learning curve

The flexibility is the price: more settings, more jargon, more decisions before you get a good image. Beginners will feel lost next to the one-button rivals.

Inconsistent defaults

Output quality varies heavily by model and settings. Out of the box it does not hand you beauty the way the curated tools do.

Who it is for

• Game and concept artists: style training is the standout feature.
• Power users: people who want layers of control, not black-box prompts.
• Learners: the best place to understand how image models actually behave.

The verdict

Leonardo is the tool for people who want image AI they can actually control. Fine-tuned models, custom training, layered composition and a serious canvas make it a power user's playground that still rewards beginners. It is less curated than the consumer leaders — expect to learn — but the ceiling on what you can make is much higher.