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Side-by-side facts to help you choose between voice agents or platforms.
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Developer API
Deepgram
Developer voice AI platform with a unified Voice Agent API for building real-time conversational agents.
Developer API
Mistral Voxtral
Mistral AI's Voxtral 3 speech-to-text and text-to-speech models plus a Voice Agents SDK built on LiveKit, from $0.04 per minute for a complete voice agent.
Highlighted rows differ between these picks
| Attribute | Deepgram | Mistral Voxtral |
|---|---|---|
| Platform type | Developer API | Developer API |
| Pricing | $0.075/min $4.50/hour ($0.075/min) for Voice Agent API | $0.04-$0.08/min $0.04-$0.08/min voice agents; transcription from $0.0035/min; TTS $13/M characters |
| Test it | Open live demo | Free trial |
| Calls | Inbound, Outbound | Inbound |
| Human handoff | Yes | No |
| Setup difficulty | Technical | Technical |
| Use cases | Customer Support Appointment Scheduling Lead Qualification Order Taking | Customer Support Custom Voice Apps Real Time Assistants Telephony Agents |
| Useful for |
|
|
| Integrations | ||
| WebSocket API | — | |
| Custom API | — | |
| Function calling | — | |
| Twilio | — | |
| BYO LLM | — | |
| BYO TTS | — | |
| LiveKit | — | |
| SIP (enterprise) | — | |
| Python SDK | — | |
| Node.js SDK | — | |
| +4 more across these tools — see each profile for the full list. | ||
Platform type
- Deepgram
- Developer API
- Mistral Voxtral
- Developer API
Pricing
- Deepgram
$0.075/min
$4.50/hour ($0.075/min) for Voice Agent API
- Mistral Voxtral
$0.04-$0.08/min
$0.04-$0.08/min voice agents; transcription from $0.0035/min; TTS $13/M characters
Test it
- Deepgram
- Open live demo
- Mistral Voxtral
- Free trial
Calls
- Deepgram
- Inbound, Outbound
- Mistral Voxtral
- Inbound
Human handoff
- Deepgram
- Yes
- Mistral Voxtral
- No
Setup difficulty
- Deepgram
- Technical
- Mistral Voxtral
- Technical
Use cases
- Deepgram
- Customer SupportAppointment SchedulingLead QualificationOrder Taking
- Mistral Voxtral
- Customer SupportCustom Voice AppsReal Time AssistantsTelephony Agents
Useful for
- Deepgram
- • Developer teams
- • Real-time voice agents
- • Enterprise voice infrastructure
- • Teams wanting a unified voice stack
- Mistral Voxtral
- • Teams wanting a European voice AI vendor
- • Multilingual transcription and voice agents
- • Low per-minute voice agent cost
- • Swapping the model, voice or language per agent
Integrations
| Deepgram | Mistral Voxtral | |
|---|---|---|
| WebSocket API | — | |
| Custom API | — | |
| Function calling | — | |
| Twilio | — | |
| BYO LLM | — | |
| BYO TTS | — | |
| LiveKit | — | |
| SIP (enterprise) | — | |
| Python SDK | — | |
| Node.js SDK | — |
+4 more across these tools — see each profile for the full list.
What would these cost to run?
Enter your call volume once and see Deepgram and Mistral Voxtral priced at the same usage, ranked alongside every other platform.