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What is Grok Voice Agent?

The Grok Voice Agent API is a high-performance voice platform that brings Grok’s conversational intelligence to developers. It is built on the same infrastructure that powers Grok Voice for millions of users worldwide. The API enables voice agents that can reason, speak naturally, and interact with tools in real time. Grok Voice Agents deliver extremely low latency, with responses generated in under one second. They rank number one on the Big Bench Audio benchmark for audio reasoning capabilities. The platform supports dozens of languages with accurate pronunciation and natural prosody. Agents automatically detect and respond in the user’s language or follow developer-defined language rules. Real-time web and X search can be combined with custom function calls. Multiple expressive voices are available for different use cases and industries. Developers can add auditory expressions such as whispers or laughter for realism. The API uses a simple flat-rate pricing model based on connection time. Grok Voice Agent API enables fast, scalable, and expressive voice-driven applications.

What is Grok 4 Heavy?

Grok 4 Heavy is xAI’s most powerful AI model to date, utilizing a sophisticated multi-agent system architecture to excel in advanced reasoning and multimodal intelligence. Powered by the Colossus supercomputer in Memphis, this model has achieved an impressive 50% score on the difficult HLE benchmark, significantly outperforming many rivals in AI research. Grok 4 Heavy supports various input types including text and images, with video input capabilities expected soon to further enhance its contextual and cultural understanding. This premium-tier AI model is tailored for power users such as developers, technical researchers, and enthusiasts who require unparalleled AI performance for demanding applications. Access to Grok 4 Heavy is offered through the “SuperGrok Heavy” subscription plan priced at $300 per month, which also provides early previews of upcoming features like video generation. xAI has made significant improvements in moderation and content filtering to prevent biased or extremist outputs previously associated with earlier versions. Founded in late 2023, xAI rapidly built a comprehensive AI infrastructure focused on innovation and responsibility. Grok 4 Heavy strengthens xAI’s position as a key player competing against giants like OpenAI, Google DeepMind, and Anthropic. It embodies the vision of an AI system capable of self-improvement and pioneering new scientific breakthroughs. Grok 4 Heavy marks a new era of AI sophistication and practical capability for advanced users.

Media

Media

Integrations Supported

Grok
C
C#
C++
CSS
Clojure
Cursor
Elixir
F#
Go
HTML
Java
Kotlin
Laravel
PHP
Python
R
SQL
TypeScript
Visual Basic

Integrations Supported

Grok
C
C#
C++
CSS
Clojure
Cursor
Elixir
F#
Go
HTML
Java
Kotlin
Laravel
PHP
Python
R
SQL
TypeScript
Visual Basic

API Availability

Has API

API Availability

Has API

Pricing Information

$0.05 per minute
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

xAI

Date Founded

2023

Company Location

United States

Company Website

x.ai

Company Facts

Organization Name

xAI

Date Founded

2023

Company Location

United States

Company Website

grok.com

Categories and Features

Categories and Features

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