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ModelsGrok 4

Grok 4

By xAI
New Text Gen 3
Released: July 9, 2025

Overview

reasoning and coding capabilities, real-time search integration, and is available in both generalist and “Heavy” tier versions for enhanced performance.

Description

Grok 4, released by xAI on July 9, 2025, marks a major upgrade in the Grok model series. It features native integration with tools and live web search, enabling more dynamic and up-to-date responses. The model comes in two main variants: a standard general-purpose version and a high-performance “Grok 4 Heavy” tier. These enhancements—including advanced reasoning, coding support, and multimodal input capabilities—position Grok 4 as one of the most capable AI models currently available.

About xAI

xAI is an artificial intelligence startup founded by Elon Musk, aiming to understand the universe.

Industry: Artificial Intelligence
Company Size: N/A
Location: N/A, N/A, US
Website: https://x.ai
View Company Profile

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Last updated: October 3, 2025