PatentFig AI vs Linum
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
PatentFig AI compared with Linum
| Detail | 
PatentFig AI | 
Linum |
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| What it does | Generate USPTO-compliant patent figures from text, photos, or sketches with AI
| 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 | US
| US
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| Pricing model | Freemium
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| Pricing | Not given
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| Key features | - Patent line art generation from photos and 3D models with automatic reference numerals
- 3D rendering and multi-view figure generation
- Flowchart and block diagram generation
- Chat-based natural language editing with real-time modifications
- Editable reference numerals as a separate layer
- Compliance checking against USPTO, EPO, CNIPA, JPO, KIPO, and PCT rules
- Filing sheet export for six patent offices with office-specific formatting
- Version control and version history for all generations and edits
- Multi-modal input supporting text, photos, sketches, and CAD screenshots
- Encrypted content storage with no model training on user data
| - 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 | - Editable reference numerals saved as real text rather than baked into pixels
- Compliance checked sheet-by-sheet with detailed reporting
- Multi-office support for CNIPA, USPTO, EPO, JPO, KIPO, and PCT with one source file
| - 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) | 46 ▲ +1 (up) since last check | 44 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 10 | 5 |
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| Citation Flow (Majestic) | 30 | 32 |
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| Referring domains (Majestic) | 238 | 397 |
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4 details filled in for both companies.
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