AI phone agents with integrated audio understanding, model routing, and voice optimization
Stage
Not given
Not given
Founded
Not given
Not given
Based in
GB
US
Pricing model
Free
Paid
Pricing
Not given
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
Clearly labelled sponsored messages in Claude Code
Pause and resume sponsorship with /ads commands
Dashboard to track earnings and request payouts
Never reads prompts, code or files
Supports local terminal and Desktop Code sessions
Link up to 3 machines per developer account
Minimum £10 balance required for bank payouts via Stripe
Earnings pending for at least 30 days before available
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
Only monetization option for Claude Code developers that preserves privacy and code security
Highest revenue share at 50% of advertiser spend
No targeting based on code or prompts—completely privacy-first
Fully optional and easy to pause at any time
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
SpinSponsor
ThunderPhone