Tool Profile

Grok 4 is xAI’s flagship language model positioned as a direct competitor to top-tier LLMs. The defining advantage is real-time awareness through integration with X and web search, plus a distinct, less formal communication style. Grok is available across web, mobile (Android/iOS), and directly inside X, with API options for developers.

Comparative Scoring by Key Criteria

Overview

Grok 4 is built around real-time utility: live signal from X plus web search, expanded tool-use, and improved reasoning. It is most valuable when “freshness” matters—breaking news, audience reactions, trend discovery, rapid research, and real-time monitoring of keywords, brands, or competitors.

Multimodality and Long Context

Grok supports multimodal inputs such as images, charts, documents, and screenshots, enabling faster analysis of visual business artifacts (dashboards, campaign reports, product screenshots, technical diagrams). With a long context window (commonly cited as ~256K tokens for Grok 4 Ultra), it is also practical for large reports, policies, and knowledge-base documents without splitting prompts into many parts.

Grok 4 Fast for Routine Work

For tasks where speed matters more than deep analysis, Grok’s ecosystem is often described with faster modes or lighter variants (you may see “Fast,” “Auto,” or “Mini” naming depending on the client). These are typically used for short Q&A, template drafting, rapid summaries, headline variations, and first-pass analysis under time pressure.

Real-Time Data Access via X

The main differentiator is native integration with X. In practice, this means Grok can track emerging memes and trends, scan discussions around a topic, pull in current reactions to news or products, and monitor brand mentions or competitor narratives—subject to your subscription tier and client capabilities.

Grok 4 vs GPT-Class Models: Practical Differences

• Freshness: Grok emphasizes real-time via X/web search; many other assistants rely on either limited browsing modes or a static knowledge cutoff.
• Voice and tone: Grok is positioned as less formal and more opinionated in style; others often default to neutral corporate tone.
• Context: Grok 4 Ultra is typically cited at ~256K tokens; other tiers may differ.
• Policy and filtering: “Less censored” is a positioning claim—actual behavior depends on product policy and settings.

Key Features

• Real-time web/news/X search
• Multimodal: voice, images, and code
• Web and mobile clients, plus native access via X
• Private chat settings and conversation deletion options
• API access and multiple paid tiers

Models

• Grok 4 Ultra
• Grok 4 Heavy
• Grok 4 Standard

Context Window

• ~256K tokens (Ultra)
• ~128K tokens (Heavy / Standard)

Pricing

• Base access via X Premium or xAI subscription plans (limits depend on tier)
• Typically framed as ~100 chats within plan limits (exact limits vary)

Interface & Language

• English-language interface

Privacy Notes

xAI’s policy is commonly described as allowing private chats with automatic deletion after a set period (often cited as 30 days). Users can manage training and personalization controls through X settings. Public reports have also noted incidents involving indexing of shared conversations—relevant for privacy-sensitive use cases.