Leonardo.Ai
Leonardo is the generator to pick when you need control over the model rather than one house style, and it is the only major one with a real API and custom training. Token accounting is the tax you pay for that flexibility.
Pros
- Large library of fine-tuned model presets instead of a single opinionated model
- Custom model training on your own images is available without an enterprise contract
- A genuine documented API, which the obvious competitor still does not have
- Free tier of 150 daily tokens is enough to evaluate properly
Cons
- Token costs differ by model, resolution and feature, so per-image cost is hard to predict
- 150 free tokens go in roughly ten generations
- Concurrency and queue position are tier-gated, so cheap plans wait
- Roadmap now serves Canva's product priorities, not standalone power users