FastH3 Omni vs Stable Diffusion Online
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
FastH3 Omni compared with Stable Diffusion Online
| Detail | 
FastH3 Omni | 
Stable Diffusion Online |
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| What it does | AI video generation with synced audio from reference images and text prompts
| Free online AI image generator using Stable Diffusion XL
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
| GB
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| Pricing model | Paid
| Free
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| Pricing | Not given
| Not given
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| Key features | - Up to 9 reference images per generation
- Up to 3 audio references per generation
- 5 fixed video lengths from 5.875 to 14.375 seconds
- 4 aspect ratios (16:9, 1:1, 9:16, 4:3)
- 24 fps frame rate
- Real-time rendering for first 3 reference images
- First and last frame control
- MP4 output saved for 7 days
- Text prompt with reference naming
- Automatic credit refund for failed generations
| - Text to image generation with customizable styles and aspect ratios
- Inpainting - add or replace parts of images
- Outpainting - extend image size
- Prompt Database with 9 million prompts
- Reference image input for guided generation
- Multiple model options and style presets
- GPU-enabled fast image generation
- High quality photo-realistic output
- CC0 licensed images for commercial use
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| What makes it different | - Synced audio and video in a single generation pass
- 8-step distilled model for fast generation in browser
- No installation or GPU required
| - Free access with no installation required - web-based interface runs on GPU servers
- High degree of control with inpainting, outpainting, and style options
- All generated images are CC0 licensed for unrestricted commercial use
- Prompt Database with 9 million examples to improve image generation quality
- Real-time generation with SDXL Turbo single-step processing
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +4 (up) since last check | 79 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 20 |
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| Citation Flow (Majestic) | 0 | 47 |
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| Referring domains (Majestic) | 0 | 5975 |
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4 details filled in for both companies.
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