Grok 4 — reviews, specs & pricing

xAI's flagship — sharp reasoning, real-time web access via API.

Summary

Grok 4 is xAI's flagship conversational AI, engineered for advanced analytical reasoning and deep conceptual synthesis. Building on its predecessor's strengths, it utilizes real-time web access and direct data streams to deliver exceptionally current responses. The model represents a major step forward in handling complex, multi-step logical tasks through a streamlined chat interface.

Sample use case

A quantitative researcher can utilize Grok 4 to conduct live sentiment analysis and gather immediate context on sudden market anomalies. By querying the model, they can cross-reference real-time social media trends on X with breaking financial news to generate an instant, comprehensive market report before traditional data sources have even updated.

Specifications

  • Provider: xai
  • License: closed
  • Context: 256k tokens
  • Input price: $3/M tok
  • Output price: $12/M tok

Pros

  • Unmatched real-time web and data integration
  • Highly sophisticated logic and reasoning
  • Excellent code generation and debugging
  • Low-latency response generation

Cons

  • Subject to noise and bias from real-time social streams
  • Restricted to text-based chat modalities
  • Heavy reliance on proprietary xAI data ecosystems

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