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.

The launch of Grok 4.3 represents a calculated bet by xAI that the market wants specialized brilliance and extreme cost ...

XAI just released Grok 4.1 Fast. It is fast model that is leading AI agent ranking. It has real-time X data, web browsing, and code tools. Elon Musk says Grok 4.20 should release by Xmas. It will ...

A few months after the release of Grok 4 and an extremely problematic antisemitic meltdown of its chatbot, xAI is already trying to move on with its latest AI model. Elon Musk's xAI announced the ...

Elon Musk's generative artificial intelligence company xAI unveiled its new reasoning model late on Friday, known as Grok 4 Fast. “We used large-scale reinforcement learning to maximize the ...