SumiNote vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
SumiNote compared with Opsis
| Detail | 
SumiNote | 
Opsis |
|---|
| What it does | AI study and research assistant for students and researchers
| Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| AU
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Not given
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| Key features | - Precise source linking with full context
- Knowledge base builder with automatic connection mapping
- Literature pattern recognition and automated data extraction
- Research assistant with comprehensive literature search
- Research gap detection
- Citation generator for multiple citation styles
| - Autocomplete with Tab to accept drafts
- Error detection and fact-checking
- Cross-app integration
- Source attribution for every suggestion
- Context-aware AI assistance
- One-click pause and privacy control
- Encrypted data storage
- Read-only app connections
- Natural writing style matching
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| What makes it different | - Links every insight directly to its source to avoid AI hallucinations
- Read 50 papers in 10 minutes instead of weeks
- Deliver a literature review in 1 hour
- Automatically maps connections and extracts key information from multiple documents
| - Finishes sentences from your actual work history and connected files, not generic AI
- Shows source for every suggestion so you can verify it before accepting
- Catches mistakes and contradictions between what you're writing and your work history
- Works inline in the apps you already use without installation
- You stay the author with full control over what gets written
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 20 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 0 |
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| Citation Flow (Majestic) | 28 | 12 |
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| Referring domains (Majestic) | 62 | 1 |
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4 details filled in for both companies.
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