Stable Diffusion XL
Richer images & jaw-dropping aesthetics from shorter prompts
Synthesia
Create AI videos from text in minutes
Updated February 2026
| Stable Diffusion XL | Synthesia | |
|---|---|---|
| Rating | 5.0★ | 3.9★ |
| Reviews | 15 | 24 |
| Pros | 8 | 13 |
| FactScore™ | 60.2 | 54.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Stable Diffusion XL — Pros
Fast performance Text-to-image generation Artistic QR codes Creativity Customization GPU support Image-to-image generation Zero-shot identity generationBoth tools — Pros
—Only in Synthesia — Pros
AI avatars Easy to use Expressive avatars Saves time and resources Frequent updates Natural AI voices Professional quality videos Engaging video content Fast video creation Helpful customer support Custom avatars Multilingual support Video customizationOnly in Stable Diffusion XL — Cons
—Both tools — Cons
—Only in Synthesia — Cons
Poor customer support Subscription limitations Misleading information Video rendering issues High cost for pro features Strict no-refund policy Account bans Mandatory human review Slow avatar generationDetails
| Stable Diffusion XL | Synthesia | |
|---|---|---|
| Categories | AI Generative Media, AI Infrastructure Tools | AI Generative Media, Avatar generators, AI Characters, AI Video Editor |
| Platforms | Web | Web |
| Became Popular | April 17, 2023 | September 17, 2020 |
| Website | stability.ai | synthesia.io |
Who Should Pick Which?
Choose Stable Diffusion XL if...
- Fast performance
- Text-to-image generation
- Artistic QR codes
Choose Synthesia if...
- AI avatars
- Easy to use
- Expressive avatars
With a FactScore™ of 60.2 vs 54.8, Stable Diffusion XL leads in community reception. Stable Diffusion XL uniquely offers Fast performance and Text-to-image generation, while Synthesia stands out for AI avatars and Easy to use.
What Users Say
Stable Diffusion XL
Stable Diffusion XL, combined with Control Net, is our go-to for generating stunning artistic QR codes. It offers incredible customization and creativity. Amazing AI!
Our model https://replicate.com/shefa/turbo-enigma is based on SDXL, applying Distribution Matching Distillation, supporting zero-shot identity generation in 2-5s. Thankful for this product!
AiEditor uses SD's perfect image generation capabilities to help AiEditor gain enhancements in text-to-image and image-to-image, bringing new life to the traditional rich text editor.
Synthesia
Synthesia is really easy to use and generate videos - just type text and hit go. They are rapidly adding more avatars and you can pay to create your own custom avatar. It does take a little bit of ...
Easy-to-use and to keep the content library updated. Converted the whole academy from live video recordings to Synthesia.
The authoring environment for videos is pretty wonky. My video also got stuck rendering and needed to contact support.
Related Comparisons
Frequently Asked Questions
Which is better, Stable Diffusion XL or Synthesia?
Based on FactScore™, Stable Diffusion XL leads with a score of 60.2 vs 54.8. Stable Diffusion XL has a higher rating of 5.0★ compared to 3.9★.
What are the pros of Stable Diffusion XL compared to Synthesia?
Stable Diffusion XL uniquely offers: Fast performance, Text-to-image generation, Artistic QR codes, Creativity, Customization.
What are the pros of Synthesia compared to Stable Diffusion XL?
Synthesia uniquely offers: AI avatars, Easy to use, Expressive avatars, Saves time and resources, Frequent updates.
Is Stable Diffusion XL better rated than Synthesia?
Stable Diffusion XL is rated 5.0★ from 15 reviews. Synthesia is rated 3.9★ from 24 reviews.
What is the FactScore™ of Stable Diffusion XL and Synthesia?
FactScore™ weighs rating and review volume together. Stable Diffusion XL scores 60.2 and Synthesia scores 54.8.
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