Optimized Speed

Grok 4 Fast Optimized Speed by xAI

2M
Context tokens
Fast
Response time
$0.20
Per 1M tokens
Speed & Scale

Maximum Efficiency

Grok 4 Fast combines fast performance with massive context capacity, offering exceptional value for high-volume applications.

Fast
Speed

Lightning Fast

Designed for high-speed responses, making it ideal for real-time interactions in dynamic environments.

2M
Tokens

Massive Context

Supports up to 2 million tokens, enabling seamless handling of extensive documents and codebases.

$0.20
Per 1M tokens

Cost-Efficient

Delivers high performance at just $0.20 per million input tokens.

High
Quality

Optimized Intelligence

Achieves high-quality outputs with xAI's advanced efficiency and precision.

High-Performance Applications

Built for Speed and Scale

Grok 4 Fast is tailored for applications demanding rapid responses, extensive context, and large-scale processing.

Codebase Analysis

Analyze, refactor, and gain insights into large-scale software projects.

Full codebase analysisLarge-scale refactoringArchitecture review

Document Processing

Process book-length documents, detailed research, and large text collections in one go.

Book analysisResearch synthesisDocument comparison

Real-Time Chat

Deploy fast conversational AI for chatbots and customer support.

Customer chatbotsLive supportInteractive assistants

Data Processing

Efficiently handle large-scale data workflows for extraction and analysis.

Batch processingData extractionContent analysis

Content Generation

Produce high-quality content with extensive context awareness.

Content writingReport generationDocumentation

Business Automation

Streamline complex workflows with intelligent automation.

Workflow automationEmail processingTask automation
Speed & Context

Frequently Asked Questions

Explore how Grok 4 Fast can meet your high-speed and large-scale processing needs.

The 2 million token context allows for processing entire codebases, book-length documents, and large datasets in a single session.

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Speed & Scale

Power Your Apps with Grok 4 Fast

Experience fast AI with massive context capacity. Perfect for high-volume applications requiring speed and scale.

Fast
Speed
2M
Context
$0.20
Per 1M tokens