Grok Voice 3.0SpaceXSI
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Related Products
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About
The most realistic and versatile AI speech software, ever. Eleven brings the most compelling, rich and lifelike voices to creators and publishers seeking the ultimate tools for storytelling. Generate top-quality spoken audio in any voice and style with the most advanced and multipurpose AI speech tool out there. Our deep learning model renders human intonation and inflections with unprecedented fidelity and adjusts delivery based on context. Our AI model is built to grasp the logic and emotions behind words. And rather than generate sentences one-by-one, it’s always mindful of how each utterance ties to preceding and succeeding text. This zoomed-out perspective allows it to intonate longer fragments convincingly and with purpose. And finally you can do this with any voice you want.
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About
Grok Voice 3.0 is a speech-to-speech model offered through the Grok Voice Agent API for developers building real-time voice applications. It accepts audio and text and returns spoken audio or text through a WebSocket session, supporting conversational turn-taking, interruptions, and function calling. Developers can connect the model to custom functions and server-side tools, including web search, X search, collections, and remote MCP servers. The API is intended for interactive voice agents such as customer-support and service-call experiences, and is also used for voice interactions in Tesla vehicles and Grok Bot. Billing is usage-based, with audio charged per minute and text input events billed separately. The API documentation includes setup instructions and examples for Python and JavaScript clients.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Users or companies that want powerful AI voice generation software to generate lifelike speech
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Audience
Developers building real-time voice applications, phone agents, interactive voice systems, and customer-support experiences.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$1 per month
From $1 to Enterprise
Free Version
Supported
Free Trial
Supported
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Pricing
$0.08/min
Audio is $0.08 per minute. Text-only input events are $0.004 each. Server-VAD sessions are billed for the full session duration; push-to-talk sessions are billed for audio sent and received.
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationElevenLabs
Founded: 2022
United States
elevenlabs.io
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Company InformationSpaceXSI
Founded: 2023
United States
x.ai/api/voice
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Alternatives |
Alternatives |
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Categories |
Categories |
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Text to Speech Features
Adjust Speaking Rate / Pitch
Not Supported
API
Supported
Audio Optimization
Supported
Custom Lexicons
Supported
Different Voice Choices
Supported
Multi-Language Support
Supported
Synchronize Speech
Not Supported
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Integrations
Model Context Protocol (MCP)
Supported
Twilio
Supported
Amaro
Supported
ContactSwing
Supported
CreatorCube
Supported
Dograh
Supported
FluxPrompt
Supported
GoVidify
Supported
Grok Voice Agent
Not Supported
MachinesFluent
Supported
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Integrations
Model Context Protocol (MCP)
Supported
Twilio
Supported
Amaro
Not Supported
ContactSwing
Not Supported
CreatorCube
Not Supported
Dograh
Not Supported
FluxPrompt
Not Supported
GoVidify
Not Supported
Grok Voice Agent
Supported
MachinesFluent
Not Supported
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