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About

Grok 4.20 is an advanced artificial intelligence model developed by xAI to elevate reasoning and natural language understanding. Built on the high-performance Colossus supercomputer, it is engineered for speed, scale, and accuracy. Grok 4.20 processes multimodal inputs such as text and images, with video support planned for future releases. The model excels in scientific, technical, and linguistic tasks, delivering highly precise and context-aware responses. Its architecture supports deep reasoning and sophisticated problem-solving capabilities. Enhanced moderation improves output reliability and reduces bias compared to earlier versions. Overall, Grok 4.20 represents a significant step toward more human-like AI reasoning and interpretation.

About

The Grok Voice Agent API is xAI’s new developer platform for building fast, intelligent, and multilingual voice agents. It is powered by the same in-house voice technology used by Grok Voice in mobile apps and Tesla vehicles. The API enables voice agents to speak dozens of languages, call tools, and search real-time data. Grok Voice Agents are engineered for low latency, delivering audio responses in under one second. The platform ranks first on the Big Bench Audio benchmark for voice reasoning performance. Developers benefit from a simple, flat pricing model based on connection time. The Grok Voice Agent API brings production-proven voice intelligence to custom applications.

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

Researchers, developers, enterprises, and advanced AI users seeking a high-performance reasoning model for scientific, technical, and multimodal applications

Audience

The Grok Voice Agent API is ideal for developers, startups, and enterprises building multilingual, real-time voice assistants for customer support, automotive, healthcare, finance, and conversational AI applications

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

No images available

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$0.05 per minute
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

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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

xAI
Founded: 2023
United States
grok.com

Company Information

xAI
Founded: 2023
United States
x.ai

Alternatives

Claude Opus 4.6

Claude Opus 4.6

Anthropic

Alternatives

Claude Opus 4.7

Claude Opus 4.7

Anthropic
Grok 4

Grok 4

xAI

Categories

Categories

Integrations

Grok
C
C++
CSS
Cursor
Elixir
Go
Grok 4.1 Thinking
Grok Imagine
HTML
Java
Laravel
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
R
Scala
TypeScript
Visual Basic

Integrations

Grok
C
C++
CSS
Cursor
Elixir
Go
Grok 4.1 Thinking
Grok Imagine
HTML
Java
Laravel
Microsoft Foundry
Microsoft Foundry Models
OpenRouter
PHP
R
Scala
TypeScript
Visual Basic
Claim Grok 4.20 and update features and information
Claim Grok 4.20 and update features and information
Claim Grok Voice Agent and update features and information
Claim Grok Voice Agent and update features and information