Clef vs Blck Alpaca
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Clef compared with Blck Alpaca
| Detail | 
Clef | 
Blck Alpaca |
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| What it does | AI image sorter that categorizes photos automatically
| AI readiness check for websites: measures how well AI agents can access, understand and navigate your site
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| Stage | Not given
| Startup
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| Founded | Not given
| 2024
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| Based in | Not given
| AT
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| Pricing model | Freemium
| Free
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| Pricing | 3 free runs (no sign-up required), then $9 for 20 runs that work in the image sorter, playground, and image checker
| Not given
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| Key features | - Custom category definition with 2-8 categories per sort
- Processes up to 100 images per batch
- Confidence threshold adjustment for auto-sort
- Probability score for each categorization
- Manual review workflow for uncertain images
- ZIP export with organized folders and CSV report
- Clef-Flash, Clef-omni, and Clef model support
- No sign-up required for free trial
- Input data never stored
- Real-time example gallery with actual AI results
| - 28 automated checks across access, understanding, discoverability, EU transparency and usability
- Static HTML analysis without JavaScript execution
- AI crawler identifier testing with GPTBot, ChatGPT-User, ClaudeBot, PerplexityBot and Google-Extended
- Rendered page analysis with JavaScript execution comparison
- Observed agent task execution with logging
- Five weighted scoring layers with consequence-based assessment
- Letter grade result from A to F based on rubric version 1.1.3
- Instant results with no registration required
- Checks for robots.txt, sitemap, llms.txt and trust pages
- Optional in-browser JavaScript rendering check
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| What makes it different | - Reviews only uncertain images, not every result
- Works on any categories you define yourself
- Provides probability scores with every categorization
- Real example results showing actual AI output
| - Weighted scoring model that treats missing features as not applicable rather than failures, preventing unfair penalties
- EU-focused transparency and privacy layer addressing GDPR and consent requirements specific to European compliance
- Versioned rubric that allows results to remain comparable across time
- Real agent task execution logging showing exactly where AI agents get stuck on your site
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 56 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 1 | 15 |
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| Citation Flow (Majestic) | 19 | 33 |
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| Referring domains (Majestic) | 2 | 268 |
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4 details filled in for both companies.
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