HumanTone™ vs Opsis
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
HumanTone™ compared with Opsis
| Detail | 
HumanTone™ | 
Opsis |
|---|
| What it does | Not given
| Autocomplete and AI assistant for Mac and Windows, built on a private account of your work
|
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| Stage | Startup
| Startup
|
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| Founded | 2025
| 2026
|
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| Based in | US
| AU
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| Pricing model | Freemium
| Freemium
|
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| Pricing | Free: 1,000 words. Basic: $10/month (150 credits, ~15,000 words). Standard: $20/month (400 credits, ~40,000 words). Pro: $40/month (1,000 credits, ~100,000 words). Annual subscriptions discounted 20%. Extra Credits: $5 (50 credits), $10 (125 credits), $25 (400 credits), $50 (1,000 credits), $100 (2,
| Not given
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| Key features | - AI Humanizer with semantic rewriting
- AI Detector with likelihood scoring
- Custom Instructions for tone and style control
- 60+ language support
- Public API with SDKs
- MCP Server integration
| - 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 | - Real semantic rewriting, not synonym swaps or tricks
- Preserves meaning and key terms with Custom Instructions
- Supports 60+ languages with consistent quality
- Works with all major AI models
| - 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) | 23 ▼ −1 (down) since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 9 | 0 |
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| Citation Flow (Majestic) | 29 | 12 |
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| Referring domains (Majestic) | 72 | 1 |
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6 details filled in for both companies.
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