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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

Grok 4.1 Fast represents xAI’s leap forward in building highly capable agents that rely heavily on tool calling, long-context reasoning, and real-time information retrieval. It supports a robust 2-million-token window, enabling long-form planning, deep research, and multi-step workflows without degradation. Through extensive RL training and exposure to diverse tool ecosystems, the model performs exceptionally well on demanding benchmarks like τ²-bench Telecom. When paired with the Agent Tools API, it can autonomously browse the web, search X posts, execute Python code, and retrieve documents, eliminating the need for developers to manage external infrastructure. It is engineered to maintain intelligence across multi-turn conversations, making it ideal for enterprise tasks that require continuous context. Its benchmark accuracy on tool-calling and function-calling tasks clearly surpasses competing models in speed, cost, and reliability. Developers can leverage these strengths to build agents that automate customer support, perform real-time analysis, and execute complex domain-specific tasks. With its performance, low pricing, and availability on platforms like OpenRouter, Grok 4.1 Fast stands out as a production-ready solution for next-generation AI systems.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

C# Yes 
Clojure Yes 
Cursor Yes 
EaseMate AI Yes 
Elixir Yes 
Go Yes 
Grok Yes 
Grok Imagine Yes 
HTML Yes 
Java Yes 
JavaScript Yes 
Julia Yes 
Kotlin Yes 
Laravel Yes 
Microsoft Foundry Models Yes 
PHP Yes 
Ruby Yes 
Scala Yes 
SuperGrok Yes 
TypeScript Yes 

Integrations

C# Yes 
Clojure Yes 
Cursor Yes 
EaseMate AI Yes 
Elixir Yes 
Go Yes 
Grok Yes 
Grok Imagine Yes 
HTML Yes 
Java Yes 
JavaScript Yes 
Julia Yes 
Kotlin Yes 
Laravel Yes 
Microsoft Foundry Models Yes 
PHP Yes 
Ruby Yes 
Scala Yes 
SuperGrok Yes 
TypeScript Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

No price information available.
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 Yes 
iPad App Yes 
Android App Yes 
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

SpaceXAI

Founded

2023

Country

United States

Website

grok.com

Vendor Details

Company Name

SpaceXAI

Founded

2023

Country

United States

Website

grok.com

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