Kennmarq vs Linum
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Kennmarq compared with Linum
| Detail | 
Kennmarq | 
Linum |
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| What it does | Watermarks and signed Content Credentials for AI images, video and audio
| Generative video models for animation
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| Stage | Not given
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| Founded | Not given
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| Based in | CH
| US
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| Pricing model | Freemium
| Not given
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| Pricing | Free: 1,000 marks/month, 1 GB data, 10 API calls/minute. Indie: $9/month or $90/year (20,000 marks/month, 20 GB data, 60 calls/minute). Startup: $39/month or $390/year (150,000 marks/month, 150 GB data, 300 calls/minute). Scale: $149/month or $1,490/year (1,000,000 marks/month, 500 GB data, 1,000 ca
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| Key features | - Middleware integration with Vercel AI SDK
- Invisible watermarks on all marked content
- Signed and time-stamped Content Credentials
- Support for images, audio and video
- Works with any AI model
- Preserves existing provider credentials
- JavaScript and Python SDKs
- ComfyUI node support
- Compliance receipts per jurisdiction
- Safety check for marked content
| - 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 | - Covers EU AI Act, California, Washington, Utah and other jurisdictions with single middleware
- No need to obtain own C2PA certificate
- Transparent pricing with same features across all plans
- Data stored and backed up in Switzerland
- Test keys with separate allowance don't consume live marks
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ▲ +7 (up) since last check | 44 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 5 |
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| Citation Flow (Majestic) | 13 | 32 |
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| Referring domains (Majestic) | 1 | 397 |
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4 details filled in for both companies.
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