Grok 4 Fast
Grok 4 Fast is xAI's lightning-fast AI model, optimized for ultra-low latency and top-tier speed that outpaces competitors like ChatGPT and Claude. Perfect for real-time chatbots, instant code generation, content creation, and strategic business insights with unmatched cost-efficiency and a massive 2M token context.
Available for Chat, Vision, and File Uploads.
Performance Benchmarks
How do you want to interact?
Start a Conversation
Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.
Use a Persona
Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.
Why use Grok 4 Fast?
- Fast Token Generation
Generates 80-150 tokens per second, delivering responses 2-3x faster than standard models
- Multimodal Support
Accepts text and image inputs and produces text output
- Extensive Context Window
Supports up to 2 million tokens for maximum prompt and response length
Capability Examples
How to use
Go to Chat
Navigate to the "AI Chat" page.
Select Model
Ensure Grok 4 Fast is selected.
Type Prompt
Ask a question or paste code.
Interact
Refine the answer by replying to the AI.
Compare LLMs Side-by-Side
Is Grok 4 Fast better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.
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