BriefEngine vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
BriefEngine compared with Opsis
| Detail | B
BriefEngine | 
Opsis |
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| What it does | SEO content brief generator that reads Google search results and creates structured briefs in under a minute
| 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 | Freemium
| Freemium
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| Pricing | Free: 3 brief generations per month, no card required. Unlimited: $29/month with unlimited brief generation, no monthly credit counter, priority support, cancel anytime.
| Not given
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| Key features | - Target query and search intent classification
- Recommended angle for content positioning
- Full outline with H2 and H3 heading suggestions
- Entities and technical terms extraction
- Suggested title options based on ranking content
- Word-count range based on actual ranking content
- Four template presets and custom template saving
- PDF export with branded cover and markdown copy
| - 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 | - Generates briefs in under 1 minute versus 30-90 minutes of manual research
- Costs $29/month versus $99/month for content platforms with brief generation
- No account or card required to start with 3 free briefs per month
- Works directly on Google search results pages without switching tools
| - 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) | 1 ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 14 | 12 |
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| Referring domains (Majestic) | 3 | 1 |
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4 details filled in for both companies.
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