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Side-by-side facts to help you choose between voice agents or platforms.
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Voice Agent Platform
Phonic
Speech-to-speech voice agent platform with one per-minute price that includes the model.
Developer API
Vapi
Developer-oriented voice agent platform for building phone agents with custom workflows and integrations.
Highlighted rows differ between these picks
| Attribute | Phonic | Vapi |
|---|---|---|
| Platform type | Voice Agent Platform | Developer API |
| Pricing | $0.12-$0.14/min $0.12-$0.14/min conversation; free Starter includes $30/mo credits | $0.13-$0.33/min $0.05/min hosting + provider costs |
| Test it | Free trial | Free trial |
| Calls | Inbound, Outbound | Inbound, Outbound |
| Human handoff | Yes | Yes |
| Setup difficulty | Medium | Technical |
| Use cases | Customer Support Appointment Scheduling Custom Voice Apps | Customer Support Appointment Scheduling Lead Qualification Outbound Calling |
| Useful for |
|
|
| Integrations | ||
| Twilio SIP | — | |
| Telnyx SIP | — | |
| Amazon Connect | — | |
| LiveKit | — | |
| Webhooks | — | |
| MCP | — | |
| Twilio | — | |
| Zapier | — | |
| Custom API | — | |
| CRM | — | |
| +1 more across these tools — see each profile for the full list. | ||
Platform type
- Phonic
- Voice Agent Platform
- Vapi
- Developer API
Pricing
- Phonic
$0.12-$0.14/min
$0.12-$0.14/min conversation; free Starter includes $30/mo credits
- Vapi
$0.13-$0.33/min
$0.05/min hosting + provider costs
Test it
- Phonic
- Free trial
- Vapi
- Free trial
Calls
- Phonic
- Inbound, Outbound
- Vapi
- Inbound, Outbound
Human handoff
- Phonic
- Yes
- Vapi
- Yes
Setup difficulty
- Phonic
- Medium
- Vapi
- Technical
Use cases
- Phonic
- Customer SupportAppointment SchedulingCustom Voice Apps
- Vapi
- Customer SupportAppointment SchedulingLead QualificationOutbound Calling
Useful for
- Phonic
- • Natural turn-taking on calls
- • Predictable per-minute pricing
- • Multilingual agents
- • Teams using LiveKit or SIP
- Vapi
- • Developer teams
- • Custom call workflows
- • Voice AI prototypes
Integrations
| Phonic | Vapi | |
|---|---|---|
| Twilio SIP | — | |
| Telnyx SIP | — | |
| Amazon Connect | — | |
| LiveKit | — | |
| Webhooks | — | |
| MCP | — | |
| Twilio | — | |
| Zapier | — | |
| Custom API | — | |
| CRM | — |
+1 more across these tools — see each profile for the full list.
What would these cost to run?
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