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Top-Tier Reasoning

Grok 4

Grok 4, xAI's most intelligent AI model, revolutionizes reasoning with axiom-based logic, a massive 256K context window, native tool use, real-time web search, and multimodal capabilities including vision and image generation. Designed for developers, researchers, and enterprises, it delivers frontier-level performance on complex tasks, advanced coding, and unbiased, up-to-date insights.

256k Context
Top-Tier Intelligence
Dec '24 Knowledge

Available for Chat, Vision, and File Uploads.

Performance Benchmarks

MMLU-Pro
87%
GPQA Diamond
88%
LiveCodeBench
79.4%

How do you want to interact?

Start a Conversation

Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.

Start Chatting

Use a Persona

Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.

Pick a Persona

Why use Grok 4?

Native Tool Use

Accesses and uses built-in tools like code interpreter and web browsing without external plugins for seamless task execution

Real-Time Search Integration

Fetches up-to-date information from the web, X, and news sources to provide current, accurate responses

Enhanced Reasoning

Delivers advanced logical reasoning, problem-solving, and first-principles thinking for complex decisions

Capability Examples

Real-Time Web Search
What's the latest news on Mars missions as of today?
Grok 4 has accessed real-time web data: NASA and SpaceX announced a joint Artemis-Mars collab on April 5, 2026, targeting 2032 launch. Key details include reusable Starship tech and crewed lander prototypes.
Advanced Code Generation
Write a Python function to analyze stock trends from real-time X data, using pandas and matplotlib.
python
Here's optimized code with EDA; run it on live data for bullish/bearish signals.
fas fa-code

How to use

1
Go to Chat

Navigate to the "AI Chat" page.

2
Select Model

Ensure Grok 4 is selected.

3
Type Prompt

Ask a question or paste code.

4
Interact

Refine the answer by replying to the AI.

Compare LLMs Side-by-Side

Is Grok 4 better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.

Open Chat Playground

Made with ❤ by AI4Chat