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About

Grok Voice Think Fast 2.0 is xAI’s flagship voice model for building real-time assistants, phone agents, and interactive voice systems that stream audio and text bidirectionally over WebSocket. Developers can configure system instructions, high or no reasoning effort, built-in or custom voices, automatic server-side voice activity detection, silence duration, idle re-engagement, playback speed, and session resumption after temporary disconnects. It accepts PCM, G.711 μ-law, G.711 A-law, and Opus audio through JSON or raw binary frames, with configurable PCM sample rates from telephone quality to 48 kHz. It supports more than 20 languages with native-quality accents, automatic language detection, natural responses in the speaker’s language, and seamless code-switching. Language hints and up to 100 key terms improve transcription of regional speech, names, products, codes, addresses, and specialized terminology, while pronunciation replacements correct spoken output.

About

A PolyAI voice assistant can carry on a natural conversation for as long as it takes to solve the customer’s problem. Free your customers to speak however they like, without expecting them to guess keywords. Building a voice assistant used to mean spending months coming up with thousands of pieces of training data. Our technology is pre-trained on billions of natural conversations, so no extra training data is required, whatever the use-case. Our voice assistants can learn new languages quickly, while maintaining agent behavior, business logic, and the voice of your brand, so all of your customers are well served, equally. Plus, we’re so confident in the scalability of our voice assistants that we don’t charge for maintenance. Our voice assistants can learn new languages quickly, while maintaining agent behavior, business logic, and the voice of your brand, so all of your customers are well served, equally.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers, AI voice teams, contact center platforms, phone agent builders, customer support teams, product teams, enterprise automation teams, and conversational AI companies that need real-time voice assistants, bidirectional WebSocket audio, multilingual speech, voice activity detection, session resumption, custom voices, transcription tuning, and pronunciation control

Audience

Voice assistant for businesses wanting to impulse their customer service

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

SpaceXAI
Founded: 2023
United States
docs.x.ai/developers/model-capabilities/audio/speech-to-speech

Company Information

PolyAI
Founded: 2017
United Kingdom
poly.ai/

Alternatives

Alternatives

Dialogflow

Dialogflow

Google
Voxtral TTS

Voxtral TTS

Mistral AI

Categories

Categories

Conversational AI Features

Code-free Development
Contextual Guidance
For Developers
Intent Recognition
Multi-Languages
Omni-Channel
On-Screen Chats
Pre-configured Bot
Reusable Components
Sentiment Analysis
Speech Recognition
Speech Synthesis
Virtual Assistant

Integrations

Dialpad Connect
Grok
Grok Voice Agent
Grok Voice Agent Builder
Operata
Vercel AI Gateway

Integrations

Dialpad Connect
Grok
Grok Voice Agent
Grok Voice Agent Builder
Operata
Vercel AI Gateway
Claim Grok Voice Think Fast 2.0 and update features and information
Claim Grok Voice Think Fast 2.0 and update features and information
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