Grok Voice API vs ElevenLabs Agents
How the two platforms compare on pricing, live demos, calls, integrations, and setup — highlighted where they differ.
Developer API
Grok Voice API
Realtime speech-to-speech API on Grok Voice 3.0 for building voice agents, at $0.08 per minute, with SIP calls, tool use and OpenAI Realtime compatibility.
Voice Agent Platform
ElevenLabs Agents
ElevenLabs' platform for building voice and chat agents (formerly Conversational AI), useful for teams prioritizing voice quality.
Highlighted rows differ between these picks
| Attribute | Grok Voice API | ElevenLabs Agents |
|---|---|---|
| Platform type | Developer API | Voice Agent Platform |
| Pricing | $0.08/min $0.08/min speech-to-speech; TTS $15/M characters; STT from $0.10/hour | Usage Based pricing Free 15 min; Starter $6/mo for 75 min; LLM and telephony extra |
| Test it | Open live demo | Free trial |
| Calls | Inbound | Inbound, Outbound |
| Human handoff | Yes | Yes |
| Setup difficulty | Technical | Technical |
| Use cases | Customer Support Lead Qualification Custom Voice Apps Telephony Agents | Customer Support AI Receptionists Appointment Scheduling |
| Useful for |
|
|
| Integrations | ||
| Twilio | ||
| WebSocket | — | |
| SIP | — | |
| LiveKit | — | |
| MCP | — | |
| Web and X search | — | |
| OpenAI Realtime clients | — | |
| Custom API | — | |
| Knowledge base | — | |
Platform type
- Grok Voice API
- Developer API
- ElevenLabs Agents
- Voice Agent Platform
Pricing
- Grok Voice API
$0.08/min
$0.08/min speech-to-speech; TTS $15/M characters; STT from $0.10/hour
- ElevenLabs Agents
Usage Based pricing
Free 15 min; Starter $6/mo for 75 min; LLM and telephony extra
Test it
- Grok Voice API
- Open live demo
- ElevenLabs Agents
- Free trial
Calls
- Grok Voice API
- Inbound
- ElevenLabs Agents
- Inbound, Outbound
Human handoff
- Grok Voice API
- Yes
- ElevenLabs Agents
- Yes
Setup difficulty
- Grok Voice API
- Technical
- ElevenLabs Agents
- Technical
Use cases
- Grok Voice API
- Customer SupportLead QualificationCustom Voice AppsTelephony Agents
- ElevenLabs Agents
- Customer SupportAI ReceptionistsAppointment Scheduling
Useful for
- Grok Voice API
- • Developer teams building realtime voice agents
- • Teams moving off the OpenAI Realtime API
- • Agents that need live web or X search
- • One flat per-minute speech-to-speech price
- ElevenLabs Agents
- • Voice quality evaluation
- • Conversational experiences
- • Prototype agents
Integrations
| Grok Voice API | ElevenLabs Agents | |
|---|---|---|
| Twilio | ||
| WebSocket | — | |
| SIP | — | |
| LiveKit | — | |
| MCP | — | |
| Web and X search | — | |
| OpenAI Realtime clients | — | |
| Custom API | — | |
| Knowledge base | — |
What would these cost to run?
Enter your call volume once and see Grok Voice API and ElevenLabs Agents priced at the same usage, ranked alongside every other platform.