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Vapi 8/10
Developer platform for building voice AI agents for phone and web.
| Category | Voice agents |
|---|---|
| Pricing model | usage-based |
| Starting price | $0.05/min platform fee + provider costs |
| Open source | No |
| Best for | Developers building custom phone agents |
| Limitations | Total cost (~$0.08–0.13/min) depends on providers; developer-oriented. |
| Last checked |
What it can do
- Tool calling during calls
- Squads (multi-assistant handoffs)
- Bring any STT/LLM/TTS
Score breakdown
| autonomy | 8/10 |
|---|---|
| reliability | 8/10 |
| ease | 7/10 |
| value | 8/10 |
| ecosystem | 9/10 |
Most flexible dev platform; costs stack.
For agencies
Use cases: client support botsvoice receptionists
| White-label | Unknown |
|---|---|
| Multi-client / workspaces | Unknown |
| Partner program | 15% one-time program page |
Cost per client, setup time and what broke: not tested yet. This section fills in once Vapi gets a Henchwork test.