AI phone agents with integrated audio understanding, model routing, and voice optimization
AI Sales Agent for LinkedIn Sales Navigator that automates outreach and books meetings
Stage
Not given
Not given
Founded
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Based in
US
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Pricing model
Paid
Paid
Pricing
Cost-plus pricing: customers pay vendor list prices for models and voice plus hosting (15% of vendor costs, 0.5¢ to 2¢ per minute) plus company margin (17-25%). Lean calls cost from 2.0¢/min (1.18¢ vendors + 0.50¢ hosting + 0.35¢ margin). Receptionist calls cost 4.7¢/min (3.36¢ vendors + 0.50¢ hosti
AI BDR plan: $899/mo with up to 1,500 prospects contacted per month and up to 3 LinkedIn/email accounts. Scale plan: Custom pricing for 60+ meetings in 90 days, 2000+ prospects, and up to 10 managed accounts.
Key features
Multi-model architecture running multiple transcription and language models per call
Zeus AI agent that builds, tests and tunes voice agents automatically
Simulated call testing before live deployment
Live call monitoring and observability
A/B testing and automated fix suggestions
Integration wizard for CRM, VoIP and business software
Client portals for managing multiple agents
Knowledge base integration for agent grounding
Outbound campaigns with CSV upload and scheduling
Research-driven personalized messaging based on LinkedIn profiles and company data
Multi-step automated sequences across LinkedIn and email
AI chatbot for prospect engagement and qualification
Automated inbox monitoring and replies every 3-5 minutes
Support for OpenAI, Gemini, and Anthropic AI models
Ideal Customer Profile creation and lead list building
Email infrastructure setup and management
Multiple LinkedIn and email account management
Monthly progress calls and email support
Chrome Extension integration with Sales Navigator APIs
What makes it different
Cost-plus pricing with no margin markup pass-through when vendor prices drop
Fully agentic Zeus AI that handles entire lifecycle from creation to optimization
Multi-model architecture for superior audio understanding vs 3-step pipelines
Starts at 2¢/min, cheaper than competitors and call center labor
4.5x boost in connection acceptance and reply rates
Books approximately 1 meeting per user per week on average
41.5% connection acceptance rate vs 20% industry average
Costs 1/6th the price of hiring a human BDR
No users banned from LinkedIn across 100+ active users
ThunderPhone