Build and run AI agents, teams and workflows without code
AI phone agents with integrated audio understanding, model routing, and voice optimization
Stage
Not given
Not given
Founded
Not given
Not given
Based in
BE
US
Pricing model
Freemium
Paid
Pricing
Community: free forever on your own server. Personal: €20/month billed yearly (€240/year) or €24/month billed monthly. Pro: €40.83/month billed yearly (€490/year) or €49/month billed monthly. Business: €165.83/month billed yearly (€1,990/year) or €199/month billed monthly. Enterprise: on quote. All
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
Create workflows with conditions, loops, and human approvals
AI Assistant builds teams from natural language descriptions
Knowledge bases and data tables for agent memory
Prompt Studio for testing and improving agent instructions
VibeApps for conversational user interfaces
Support for multiple AI providers
Community edition runs on your own server with Docker
Hosted cloud workspaces with no installation required
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 coding required; build with natural language or visual drag-and-drop
Keeps human judgment in control; work returns to people for decisions
Open source Community edition with no time limit or cost
Choose where your data runs: your own server or hosted cloud
AI Assistant generates teams and workflows from plain English descriptions
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
Agentivity™
ThunderPhone