Opsis vs BuffNerf AI
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Opsis compared with BuffNerf AI
| Detail | 
Opsis | 
BuffNerf AI |
|---|
| What it does | Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
| AI prompts that finish the job
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| Stage | Startup
| Not given
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| Founded | 2026
| Not given
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| Based in | AU
| Not given
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| Pricing model | Freemium
| Freemium
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| Pricing | Not given
| Free: 12 workflows and one free weekly email prompt. BuffNerf Prompt Pack: US$9 one-time for 72 prompts.
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| Key features | - 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
| - 12 free prompt workflows covering writing, support, productivity, learning, spreadsheets, and email
- 72 prompts in the Prompt Pack with variants and checklists
- Illustrative examples for each prompt
- Content available in English and simplified Chinese
- Free weekly email with new prompts and AI releases
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| What makes it different | - 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
| - Copy-ready prompts with illustrative examples to verify output before publishing
- Practical problem-focused workflows instead of generic prompt collections
- Editorial AI tool rankings by use case with never-paid-for rankings
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 12 | 0 |
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| Referring domains (Majestic) | 1 | 0 |
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4 details filled in for both companies.
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