PatentFig AI 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.
PatentFig AI compared with Stable Diffusion Online
| Detail | 
PatentFig AI | 
Stable Diffusion Online |
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| What it does | Generate USPTO-compliant patent figures from text, photos, or sketches with AI
| 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
| Not given
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| Based in | US
| GB
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| Pricing model | Freemium
| Free
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| Pricing | Not given
| 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
| - 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 | - 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
| - 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
| 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) | 46 ▲ +1 (up) since last check | 79 ● no change since last check |
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| Trust Flow (Majestic) | 10 | 20 |
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| Citation Flow (Majestic) | 30 | 47 |
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| Referring domains (Majestic) | 238 | 5975 |
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5 details filled in for both companies.
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