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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

Layercode is a cloud-based developer platform that makes it easy to build production-ready, low-latency voice AI agents by handling the real-time infrastructure so you can focus on your agent’s logic; it manages WebSockets, voice activity detection, global edge deployment, and voice model integrations while giving you full control over how your agent thinks, speaks, and responds. It enables natural, fluid voice conversations with sub-second response times and human-like turn-taking, offers observability tools so you can inspect calls, latency, and failures in production, and fits naturally into modern TypeScript and Next.js stacks with simple CLI and SDK support so you can receive text and send text back. With Layercode, you can avoid vendor lock-in by hot-swapping leading voice and transcription model providers, maintain complete flexibility by plugging in your own AI agent backend, and deploy voice agents across web, mobile, and phone interfaces.

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

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

Audience

Developers seeking to build low-latency voice agents that hold real-time speech conversations and use tools during interactions

Audience

Software developers building real-time conversational AI and voice-enabled applications who need dependable cloud infrastructure to deploy low-latency, production-ready voice AI agents

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

$0.04 per minute
Free Version Supported
Free Trial Not Supported

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

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

Company Information

Layercode
United Kingdom
layercode.com

Alternatives

Alternatives

Voxtral TTS

Voxtral TTS

Mistral AI

Categories

AI Models Supported
AI Voice Agents Supported

Categories

AI Voice Agents Supported

Integrations

Cartesia Sonic Not Supported
Claude Not Supported
CrewAI Not Supported
ElevenLabs Not Supported
Gemini Not Supported
Go Not Supported
Grok Supported
Grok Voice Agent Supported
Grok Voice Agent Builder Supported
JavaScript Not Supported
LangChain Not Supported
LlamaIndex Not Supported
Next.js Not Supported
OpenAI Not Supported
Python Not Supported
React Not Supported
Rime Not Supported
TypeScript Not Supported
Vercel AI Gateway Supported

Integrations

Cartesia Sonic Supported
Claude Supported
CrewAI Supported
ElevenLabs Supported
Gemini Supported
Go Supported
Grok Not Supported
Grok Voice Agent Not Supported
Grok Voice Agent Builder Not Supported
JavaScript Supported
LangChain Supported
LlamaIndex Supported
Next.js Supported
OpenAI Supported
Python Supported
React Supported
Rime Supported
TypeScript Supported
Vercel AI Gateway Not Supported
Claim Grok Voice Think Fast 2.0 and update features and information
Claim Grok Voice Think Fast 2.0 and update features and information
Claim Layercode and update features and information
Claim Layercode and update features and information