AI Tool Comparison
Leonardo.ai vs Nano Banana
A side-by-side breakdown to help you pick the right tool for your workflow.
Leonardo.ai
Generate, fine-tune, and train custom models across multiple first- and third-party image engines (Phoenix, FLUX, Nano Banana) under one shared token pool.
Nano Banana
Generate and edit images with Google's Nano Banana 2 (Gemini 3.1 Flash Image), the new default across the Gemini app, Search, and Flow, with Nano Banana Pro for studio-quality regeneration.
Bottom Line
Last reviewed: August 2026
Leonardo.ai and Nano Banana both compete in Design, overlapping most directly on design. Nano Banana carries the higher rating (4.7 vs 4.6), but a gap that size rarely overrides a real workflow fit on its own.
Choose Leonardo.ai if…
Best for game developers and concept artists who need consistent, fine-tuned image generation across a project, and its edge is train a custom model on 15-20 of your own reference images to keep characters and environments consistent. The strongest option for teams needing production-grade consistency, the token system takes some getting used to.
Choose Nano Banana if…
Best for anyone who wants to iteratively refine an image through natural conversation instead of rewriting a prompt from scratch, and its edge is conversational editing that keeps a generated image consistent across multiple rounds of natural-language changes. Backed by Google's Gemini and it shows in the consistency, the free tier's usage limits are the main constraint.
| Attribute | Leonardo.ai | Nano Banana |
|---|---|---|
| Category | Design | Design |
| Pricing | freemium | freemium |
| Pricing Detail | Free (150 tokens/day) / $12/mo Essential / $30/mo Premium | Free (Gemini app/Search) / API token pricing / Pro via Google AI subscriptions |
| Rating |
Key Features
Leonardo.ai
- Custom model training
- Real-time canvas
- Image upscaling
- Motion (video)
- ControlNet support
Nano Banana
- Conversational image editing
- Strong subject consistency
- Photorealistic generation
- Available in Gemini and via API
Pros
Leonardo.ai
- •Generous free tier
- •Excellent fine-tuned models for game assets
- •Real-time generation canvas
- •Strong community models
Nano Banana
- •Excellent edit consistency
- •Easy natural-language editing
- •Backed by Google
Cons
Leonardo.ai
- Token system can be confusing
- UI is complex for beginners
- Best models require paid plan
Nano Banana
- Usage limits on free tier
- Occasional artifacts on complex scenes