Grok 4

xAI's latest multimodal AI model with real-time access to X (formerly Twitter), advanced reasoning, and a unique, witty personality.

GrokxAIElon MuskLanguage ModelLarge Language ModelAI AssistantReal-time AIMultimodal
Developer
xAI
Type
Multimodal Language Model
License
Proprietary

Overview

Grok 4 is the latest and most advanced multimodal AI model from xAI, the artificial intelligence company founded by Elon Musk. Announced on July 10, 2025, Grok 4 is designed to answer questions with a bit of wit and has a rebellious streak. Its standout feature is its real-time access to information from the X (formerly Twitter) platform, allowing it to provide responses based on the latest global events.

Capabilities

Grok 4 demonstrates a powerful and unique set of capabilities:

  • Real-time knowledge: Direct integration with the X platform provides unparalleled access to current information.
  • Advanced reasoning: Capable of tackling complex and nuanced questions.
  • Unique personality: Designed to be witty, engaging, and less filtered than other AI assistants.
  • Multimodal understanding: Can process and understand information from various formats, not just text.
  • Censorship-resistant: Aims to provide answers to spicy questions that are often rejected by other AI systems.

Technical Specifications

While many details are proprietary, some technical aspects of Grok 4 are known:

  • Model size: Exact parameter count is not disclosed, but it is a large-scale language model.
  • Context window: 128K tokens.
  • Training data: Trained on a massive dataset of text and code, supplemented by real-time data from the X platform.
  • Architecture: Likely a highly optimized Transformer-based architecture.
  • Multi-agent approach: The "SuperGrok Heavy" version utilizes a multi-agent system where several AI agents collaborate to find the best solution.

Use Cases

Grok 4 is positioned for a variety of applications, especially those benefiting from real-time information:

  • Current events analysis: Summarizing breaking news, tracking trends, and providing context on developing stories.
  • Market research: Understanding public sentiment and conversations around brands or topics.
  • Creative content generation: Writing with a unique, humorous, and engaging voice.
  • Complex problem solving: Leveraging its reasoning capabilities for research and analysis.

Limitations

Key limitations to consider:

  • Bias from X platform: Real-time data from X can introduce biases and misinformation.
  • Witty but sometimes incorrect: The model can still produce factual errors or "hallucinate" information.
  • Platform dependency: Its primary strength is also a dependency; its knowledge is heavily influenced by the content on X.

Pricing & Access

Grok 4 is available through several tiers:

  • X Premium+ Subscription: Integrated into the X platform for subscribers.
  • Standard Access: Priced at $30 per month via the xAI platform.
  • SuperGrok Heavy: A more powerful version available for $300 per month.
  • API Access: Available for developers to integrate Grok 4 into their own applications.

Ecosystem & Tools

Grok 4's ecosystem is centered around xAI and the X platform:

  • xAI Platform: The primary hub for accessing Grok models and developer tools.
  • X (formerly Twitter): Provides the real-time data stream that makes Grok unique.
  • Grok API: RESTful API for developers to build applications on top of Grok.

Community & Resources

Resources and community discussions are primarily hosted on xAI and X platforms:

Explore More Models

Discover other AI models and compare their capabilities.