Grok Voice Think Fast 2.0SpaceXAI
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Related Products
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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.
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About
Tadeus embeds a real-time AI voice agent inside the moments that decide whether work changes: HCM rollouts, software implementations, AI adoption, onboarding, compliance, and research. One agent interviews the whole workforce in 70+ languages, verifies and acts mid-conversation, and returns structured records via API and webhooks. Voice only, no audio retained, no emotion inference; built clear of the EU AI Act line from day one.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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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
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Audience
User roles / teams (who deploys it): HCM & payroll platform product teams (embed Tadeus as a layer) Enterprise implementation / systems-integration teams (requirements gathering at scale) AI enablement & change-management teams (adoption measurement) HR / People & Culture (onboarding, compliance comprehension, benefits/enrolment, exit & stay interviews, policy/change) Product & UX research teams Market research & insights teams Developers / ISVs building on top via API + webhooks Organisation types (who buys it): HCM, payroll & workforce platforms (embed/OEM partners — the primary category) Systems integrators & implementation consultancies Large & global enterprises running multi-country software rollouts Global brands / multinationals needing one comparable dataset across markets Regulated enterprises needing EU AI Act–clean, GDPR-aligned deployments Mid-market SaaS & product companies (research/UX application) Industries: HR Tech / workforce & payroll software Enterprise software & SaaS Systems integration & management consulting Financial services & fintech (regulated) Healthcare & life sciences Manufacturing, logistics & retail (large distributed/frontline workforces) Public sector & government (multilingual workforce) Market research & insights
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Free Trial
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Pricing
£10/month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationSpaceXAI
Founded: 2023
United States
docs.x.ai/developers/model-capabilities/audio/speech-to-speech
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Company InformationTadeus
Founded: 2025
United Kingdom
www.tadeus.net
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Categories |
Categories |
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Integrations
Grok
Grok Voice Agent
Grok Voice Agent Builder
Vercel AI Gateway
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Integrations
Grok
Grok Voice Agent
Grok Voice Agent Builder
Vercel AI Gateway
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