Viralkey vs Linum
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Viralkey compared with Linum
| Detail | 
Viralkey | 
Linum |
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| What it does | Create virtual influencers and AI-generated videos for social media
| Generative video models for animation
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| US
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| Pricing model | Freemium
| Not given
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| Pricing | Not given
| Not given
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| Key features | - Template-based AI music video generation
- Music analysis with BPM and beat point detection
- Beat-synced editing
- Dynamic lyric subtitles
- Character consistency across scenes
- Multiple template families including story and performance
- Commercial use of generated content
- Multi-platform publishing
- Character reuse across templates
- No editing skills required
| - Pyramid-JiT (P-JiT) architecture with 32×32 token reduction
- 4× more aggressive token reduction than Linum v2
- Converges in 11× fewer samples than Linum v2
- 2B-parameter model with frozen Qwen text encoder
- Pixel-space diffusion with multi-resolution readouts
- PixelREPA alignment with DINOv3-L
- Curriculum learning over noise schedule
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| What makes it different | - Create one photo into a week of posts
- Keep the same face across different looks without photoshoots
- Pre-built viral presets for scroll-stopping content
- Generate content from any device, anywhere
- Turn products and outfits into engaging content
| - Low-cost training: full 2B model trained for just $21K in compute
- Controls baked into model training rather than post-hoc fine-tuning
- Pixel-space compression without separate VAE bottleneck
- Apache 2.0 open release with full model weights and code
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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) | 6 ● no change since last check | 44 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 26 | 5 |
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| Citation Flow (Majestic) | 25 | 32 |
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| Referring domains (Majestic) | 71 | 397 |
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4 details filled in for both companies.
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