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Blck Alpaca vs 42agents

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Blck Alpaca compared with 42agents
DetailBlck Alpaca logo Blck Alpaca42agents logo 42agents
What it doesAI readiness check for websites: measures how well AI agents can access, understand and navigate your site White-label AI agents for WhatsApp that agencies resell with their own brand
StageStartup Not given
Founded2024 Not given
Based inAT HN
Pricing modelFree Not given
PricingNot given Pro plan: 39 USD per account per month with agency subdomain. Premium plan: 117 USD per month starting from 3 accounts with custom domain. Each account includes 1 WhatsApp line and 3 users. Additional lines: 6 USD/month. Additional users: 3 USD/month. Free 7-day trial on any plan. Meta message fees
Key features
  • 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
  • Official Meta Cloud API with coexistence on existing WhatsApp number
  • Shared inbox for team with labels and notes
  • Bring your own key AI model (OpenAI or OpenRouter)
  • Agent configuration for sales or support use cases
  • Unlimited contacts and message sends
What makes it different
  • 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
  • Coexistence lets clients keep their existing WhatsApp Business and Web access without new numbers
  • Per-account pricing allows starting with one client; no agency minimums
Community votes00
DR (Domain Rating by Ahrefs)52 −4 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)150
Citation Flow (Majestic)330
Referring domains (Majestic)2680

4 details filled in for both companies.

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