It is close: ComfyUI scores 9.1 and Leonardo AI scores 8.8 in our tests, so the right pick depends on your workflow rather than raw quality.
Head to head Image & Design
ComfyUI vs Leonardo AI
Two image & design tools, one honest verdict — scores, pricing and free tiers compared side by side.
 ComfyUI |  Leonardo AI | |
|---|---|---|
| Our score | 9.1/10 | 8.8/10 |
| Pricing | Free | Free plan |
| Free version | ✓ Yes | ✓ Yes |
| Open source | ✓ GPL-3.0 | No |
| GitHub stars | ★ 65k | — |
| Partner deal | — | — |
ComfyUI in short
Node-based Stable Diffusion & FLUX powerhouse — total control, zero cost. It is completely free.
Leonardo AI in short
Production-grade image generation with fine-tuned models and daily free credits. It is free to start, with paid upgrades.
FAQ
Which is better, ComfyUI or Leonardo AI?
ComfyUI scores 9.1/10 and Leonardo AI scores 8.8/10 in our hands-on tests. They are close — choose by workflow and pricing.
Is ComfyUI free?
Yes, ComfyUI has a real free version.
Is Leonardo AI free?
Yes, Leonardo AI has a real free version.
Can I try both for free?
Yes — both have free versions, so test them on the same task and keep the winner.
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