AI phone agents with integrated audio understanding, model routing, and voice optimization
An AI-native multi-agent workbench for Session Engineering
Stage
Not given
Startup
Founded
Not given
2026
Based in
US
CN
Pricing model
Paid
Not given
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
Not given
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
Asynchronous multi-agent communication through A2A mailbox
Centralized approval center for decisions and approvals
Mobile approval management on Android and iOS
Support for multiple AI model providers via pi-ai library
QR code pairing between computer and phone
macOS and Android support
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
User authority: only user actions carry real authority in the approval center
Mobile-first approvals: handle approvals and decisions from your phone anywhere
Flexible model choice: support for many AI model providers through open-source pi-ai
ThunderPhone
Jig