Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Description

Developed by xAI, Grok 4 Fast is a next-generation AI model designed to handle queries with unmatched speed and efficiency. It represents a leap forward in responsiveness, cutting latency while providing highly accurate and relevant answers across a wide spectrum of topics. With advanced natural language understanding, it smoothly transitions between casual dialogue, technical inquiries, and in-depth problem-solving scenarios. Its integration of real-time data analysis makes it particularly valuable for users who require timely, updated information in fast-changing contexts. Grok 4 Fast is widely available, supporting Grok, X, and dedicated mobile apps for both iOS and Android devices. The model’s streamlined architecture enhances both speed and reliability, making it suitable for personal use, business applications, and research. Subscription tiers allow users to access expanded usage quotas and unlock more intensive workloads. With these advancements, Grok 4 Fast underscores xAI’s vision of accelerating human discovery and enabling deeper engagement through intelligent technology.

Description

The Grok Voice Agent API allows developers to create advanced voice agents with industry-leading speed and intelligence. Built entirely in-house by xAI, the voice stack includes custom models for audio detection, tokenization, and speech generation. This deep control enables rapid performance improvements and ultra-low latency responses. Grok Voice Agents support dozens of languages with native-level fluency and can switch languages mid-conversation. The API consistently outperforms competing voice models in human evaluations for pronunciation and prosody. Real-time tool calling and live search across X and the web are supported. Developers can integrate custom tools to enable dynamic task execution. The API follows the OpenAI Realtime specification for easy adoption. Pricing is a flat per-minute rate, making costs predictable at scale. The Grok Voice Agent API is designed for production-ready voice applications.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

Grok Yes 
C# Yes 
CSS Yes 
Dessix Yes 
Elixir Yes 
F# Yes 
Go Yes 
Grok Build Yes 
HTML Yes 
Java Yes 
JavaScript Yes 
Julia Yes 
Laravel Yes 
Oracle Cloud Infrastructure Yes 
Python Yes 
R Yes 
Rust Yes 
SQL Yes 
Shiori Yes 
X (Twitter) Yes 

Integrations

Grok Yes 
C# No 
CSS No 
Dessix No 
Elixir No 
F# No 
Go No 
Grok Build No 
HTML No 
Java No 
JavaScript No 
Julia No 
Laravel No 
Oracle Cloud Infrastructure No 
Python No 
R No 
Rust No 
SQL No 
Shiori No 
X (Twitter) No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

$0.05 per minute
$0.05 per minute of connection time
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

SpaceXSI

Founded

2023

Country

United States

Website

grok.com

Vendor Details

Company Name

SpaceXSI

Founded

2023

Country

United States

Website

x.ai

Product Features

Product Features

Alternatives

Grok 4.1 Reviews

Grok 4.1

SpaceXSI

Alternatives

Grok 4.1 Fast Reviews

Grok 4.1 Fast

SpaceXSI
Grok 4.3 Reviews

Grok 4.3

SpaceXSI