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Cosmo vs Sell Whisper AI

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

Cosmo compared with Sell Whisper AI
DetailCosmo logo CosmoSell Whisper AI logo Sell Whisper AI
What it doesAI virtual receptionist for phone, web, and front desks AI customer support and sales platform that deploys agents across 13 channels
StageEstablished Startup
Founded2016 2026
Based inDE EG
Pricing modelNot given Freemium
PricingHobby: €32/month or €384/year (10,000 credits/month). Standard: €120/month or €1,440/year (40,000 credits/month). Pro: €400/month or €4,800/year (150,000 credits/month). Large: €1,200/month or €14,400/year (500,000 credits/month). Enterprise: custom pricing. Optional setup fee available. Each Voiceb Free plan with 50 conversations/month, 1 agent, Claude Haiku 5.5, and access to Chat Widget, Help Page, Agent Chat Page, WordPress. Starter at $39/month with 500 conversations, 3 agents, and all 4 AI providers. Pro at $149/month with 2,000 conversations and 5 agents. Business at $349/month with 10,0
Key features
  • Voicebot for inbound call answering with natural conversations in 45+ languages
  • Chatbot with consistent answers across channels using shared knowledge base
  • Structured capture of contact details and callback requests
  • Intelligent call routing with full conversation context
  • Receptionist kiosk for on-site customer service
  • Self-service platform configuration without technical setup
  • Operator for automatic knowledge-base call routing
  • Support for custom avatars and advanced customization
  • One-line code integration for website embed
  • No-code AI agent builder with template selection
  • Knowledge base from documents, website pages and written answers
  • Deploys to 13 channels including chat widget, WhatsApp, Instagram, Messenger, Slack, Shopify, WooCommerce, Zendesk, Salesforce, WordPress, Help Page, Agent Chat Page, and API
  • Human handoff with full conversation context
  • Lead collection and scoring by engagement and intent
  • Conversation analytics with sentiment analysis and top topics
  • Choice of 4 AI providers: Claude, ChatGPT, Google Gemini, Grok
  • Multi-tenant platform with role-based access and two-factor authentication
  • Data encryption in transit (TLS 1.3) and at rest (AES-256)
  • 6 native integrations: WooCommerce, Cal.com, Calendly, HubSpot, Zendesk, Salesforce
What makes it different
  • Voice-first approach with unified knowledge base shared across phone, web, and kiosk channels
  • Made in Germany and Austria with GDPR-compliant data handling
  • Rooted in over a decade of robotics and AI expertise
  • Hands over complex cases with full context to reduce employee ramp-up time
  • AI-first platform built from scratch, not a wrapped third-party tool or no-code prototype
  • Live in production serving businesses globally with 13 deployment channels
  • FastAPI backend with Next.js frontend and real-time WebSocket messaging
  • Vector search with PostgreSQL and pgvector for accurate, grounded answers from your knowledge base
Community votes00
DR (Domain Rating by Ahrefs)40 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)2614
Referring domains (Majestic)282

7 details filled in for both companies.

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