Grok Voice 3.0SpaceXSI
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Phonic-1Phonic
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Related Products
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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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About
Phonic-1 is a real-time speech-to-speech AI model offered through Phonic’s voice-agent development platform. It processes spoken input and generates spoken responses, supporting streaming conversations, configurable voices, turn-taking, and interruption handling. Developers can access the model through an API and SDKs, then use Phonic’s hosted tools to build, test, and deploy conversational voice agents. The platform is designed for developers and businesses creating voice applications for customer support, sales, appointment handling, and other spoken interactions. It includes options for hosted or self-managed deployment and provides documented integrations and webhook-based connections to external services. Phonic states that its voice technology supports more than 50 languages.
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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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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers building real-time voice applications, phone agents, interactive voice systems, and customer-support experiences.
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Audience
Developers and business teams building conversational voice applications and AI voice agents, including customer-service, healthcare, hiring, logistics, and phone-workflow use cases.
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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
$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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Pricing
$0.07/min
Starter costs $0.07 per conversation minute with no minimum. Pro costs $0.065 per minute with a $200 monthly minimum. Enterprise pricing is custom, with volume-based discounts available.
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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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 InformationSpaceXSI
Founded: 2023
United States
x.ai/api/voice
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Company InformationPhonic
Founded: 2024
United States
phonic.ai
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Model Context Protocol (MCP)
Supported
Amazon Connect
Not Supported
Grok
Supported
Grok Bot
Supported
Grok Voice Agent
Supported
Grok Voice Agent Builder
Supported
LiveKit
Not Supported
Phonic
Not Supported
Telnyx
Not Supported
Twilio
Supported
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Integrations
Model Context Protocol (MCP)
Supported
Amazon Connect
Supported
Grok
Not Supported
Grok Bot
Not Supported
Grok Voice Agent
Not Supported
Grok Voice Agent Builder
Not Supported
LiveKit
Supported
Phonic
Supported
Telnyx
Supported
Twilio
Not Supported
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