Elon Musk announced that Grok 4.5 has entered private beta testing at SpaceX and Tesla. Built on xAI’s 1.5-trillion-parameter ...

Musk said reinforcement learning is continuing to improve the model and that "Grok Build," xAI's coding-agent harness, is ...

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.

AI, the part of SpaceX (NASDAQ: SPCX) that operates Grok, was always going to drive the entire company under. SpaceX had ...

Grok 4.2 is an advanced AI model designed to handle complex reasoning and decision-making tasks through a collaborative multi-agent framework. As overviewed by the AI Grid, this system integrates the ...

Grok, the AI chatbot launched by billionaire Elon Musk, has declined in usership throughout 2026 so far across both mobile apps and website visits, according to data from Similarweb, as many of the ...