FastH3 Omni vs Omni Voice
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 Omni Voice
| Detail | 
FastH3 Omni | 
Omni Voice |
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| What it does | AI video generation with synced audio from reference images and text prompts
| Free AI text to speech and voice generator with public voice auditions, consent-based cloning, and downloadable audio
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Paid
| Freemium
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| Pricing | 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
| - 300+ public voice profiles to audition across multiple languages
- Natural text to speech with punctuation and emphasis control
- Consent-based voice cloning for private speaker models
- Voice design to create synthetic speakers from written descriptions
- Searchable multilingual voice catalog with 4 language groups
- Generation history for comparing and retrieving previous takes
- Downloadable audio files in browser
- Support for up to 1,000 characters per conversion on paid plans
- Browser-based production workspace with no installation required
- Unified credit system for text to speech, voice design, and cloning
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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
| - Iterative workflow that keeps scripts editable while auditing voice options
- Permission-gated private voice cloning with rights confirmation before model creation
- Generation history to support revisions and comparisons instead of relying on memory
- Script-first workflow that treats writing problems as audio problems to solve early
- Support for multiple languages in one workspace without switching tools
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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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +4 (up) since last check | 15 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 0 | 6 |
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| Citation Flow (Majestic) | 0 | 22 |
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| Referring domains (Majestic) | 0 | 64 |
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4 details filled in for both companies.
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