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
Spoken is an API that turns any published podcast into a clean Markdown transcript with real speaker names — not "Speaker 1." One API call returns named, timestamped text, ready for LLMs, RAG pipelines, summarizers, and search. Instead of running speech-to-text plus diarization yourself, Spoken serves transcripts of published podcasts directly and resolves speaker names for you — typically 5-10x cheaper for published shows. Search by text or paste a Spotify/YouTube URL. Pay-per-use credits, no subscription; failed calls never charged, repeat fetches free. Agent-native: ships with an Agent Skill, agents.md, llms.txt, and an OpenAPI spec. Free demo key to start; paid credits from $15.
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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
Developers and AI engineers building on podcast content
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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
$15
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 InformationSpoken
Founded: 2025
Netherlands
spoken.md
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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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