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
Key features
Navigates phone menus and IVR systems
Waits on hold
Returns call transcripts and temporary recording links
Loops you in when a decision is needed
Speaks 25 languages
Private reserved caller ID number
AI inbound assistant for your number
Works with ChatGPT, Grok Bot, Claude and other AI agents
REST API and agent skill for developers
SMS and iMessage integration
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
What makes it different
No per-minute charges, flat monthly pricing
User stays in control and only gets patched in when needed
Works with popular AI agents you already use
Free trial requires no credit card
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
ClawCall
ThunderPhone