Leonardo.ai
Spline
| Feature | Leonardo.ai | Spline |
|---|---|---|
| Pricing | Free / from $12/mo | Free / from $9/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | game-developers, graphic-designers, content-creators, 3d-artists | web-designers, product-designers, front-end-developers, creative-agencies |
| Founded | 2022 | 2020 |
| Text To Image | ✓ | ✗ |
| Image Editing | ✓ | ✗ |
| Real Time Canvas | ✓ | ✗ |
| Model Finetuning | ✓ | ✗ |
| Texture Generation | ✓ | ✗ |
| 3d Generation | ✓ | ✗ |
| Motion | ✓ | ✗ |
| 3d Modeling | ✗ | ✓ |
| Real Time Collaboration | ✗ | ✓ |
| Animations | ✗ | ✓ |
| Interactions | ✗ | ✓ |
| Web Export | ✗ | ✓ |
| Materials | ✗ | ✓ |
| Physics | ✗ | ✓ |
✓ Leonardo.ai Pros
- Generous free daily credits
- Multiple models and fine-tuning
- Excellent for game assets and textures
- Real-time canvas editing
✗ Leonardo.ai Cons
- Credit system can be confusing
- Quality varies between models
- UI can feel overwhelming for beginners
✓ Spline Pros
- Browser-based with no installation required
- Easy to learn compared to traditional 3D tools
- Real-time collaboration like Figma for 3D
- Direct export to web (React, iframe, vanilla JS)
✗ Spline Cons
- Limited to simpler 3D scenes (not production rendering)
- Performance issues with complex models
- Fewer modeling tools than dedicated 3D software
The Verdict
Leonardo.ai is built for game developers and graphic designers, with a focus on text-to-image and image-editing. Spline targets web designers and product designers and leads with 3d-modeling and real-time-collaboration.
Pricing is close: Spline starts at $9/mo versus $12/mo for Leonardo.ai — not a deciding factor on its own.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.