All comparisons
Deepgram vs Retell AI
How the two platforms compare on pricing, live demos, calls, integrations, and setup — highlighted where they differ.
Developer API
Deepgram
Developer voice AI platform with a unified Voice Agent API for building real-time conversational agents.
Voice Agent Platform
Retell AI
Voice AI platform for building low-latency phone agents across support, scheduling, and sales workflows.
Highlighted rows differ between these picks
| Attribute | Deepgram | Retell AI |
|---|---|---|
| Platform type | Developer API | Voice Agent Platform |
| Pricing | $0.075/min $4.50/hour ($0.075/min) for Voice Agent API | $0.07-$0.31/min $0.07-$0.31/min; custom pricing available |
| Test it | Open live demo | Free trial |
| Calls | Inbound, Outbound | Inbound, Outbound |
| Human handoff | Yes | Yes |
| Setup difficulty | Technical | Medium |
| Use cases | Customer Support Appointment Scheduling Lead Qualification Order Taking | Customer Support Appointment Scheduling Lead Qualification AI Receptionists |
| Useful for |
|
|
| Integrations | ||
| Custom API | ||
| Twilio | ||
| WebSocket API | — | |
| Function calling | — | |
| BYO LLM | — | |
| BYO TTS | — | |
| Zapier | — | |
| CRM | — | |
| Calendar | — | |
Platform type
- Deepgram
- Developer API
- Retell AI
- Voice Agent Platform
Pricing
- Deepgram
$0.075/min
$4.50/hour ($0.075/min) for Voice Agent API
- Retell AI
$0.07-$0.31/min
$0.07-$0.31/min; custom pricing available
Test it
- Deepgram
- Open live demo
- Retell AI
- Free trial
Calls
- Deepgram
- Inbound, Outbound
- Retell AI
- Inbound, Outbound
Human handoff
- Deepgram
- Yes
- Retell AI
- Yes
Setup difficulty
- Deepgram
- Technical
- Retell AI
- Medium
Use cases
- Deepgram
- Customer SupportAppointment SchedulingLead QualificationOrder Taking
- Retell AI
- Customer SupportAppointment SchedulingLead QualificationAI Receptionists
Useful for
- Deepgram
- • Developer teams
- • Real-time voice agents
- • Enterprise voice infrastructure
- • Teams wanting a unified voice stack
- Retell AI
- • Fast voice prototypes
- • Support call automation
- • Scheduling workflows
Integrations
| Deepgram | Retell AI | |
|---|---|---|
| Custom API | ||
| Twilio | ||
| WebSocket API | — | |
| Function calling | — | |
| BYO LLM | — | |
| BYO TTS | — | |
| Zapier | — | |
| CRM | — | |
| Calendar | — |
What would these cost to run?
Enter your call volume once and see Deepgram and Retell AI priced at the same usage, ranked alongside every other platform.