Grok is coming for the coding-focused customers of its bigger rivals. Elon Musk's xAI dropped a new AI model this week, specifically for developers, calling it a "speedy and economical reasoning model ...

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 ...

Don't miss out on our latest stories. Add PCMag as a preferred source on Google. Elon Musk's xAI released its first agentic coding model, which claims to be "speedy and economical. " However, it also ...

Elon Musk’s xAI Holdings Corp. has released grok-code-fast-1, a dedicated agentic coding artificial intelligence model that is extremely speedy and designed to strike a “compelling balance between ...

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.

Elon Musk's frontier generative AI startup xAI formally opened developer access to its Grok 4.1 Fast models last night and introduced a new Agent Tools API—but the technical milestones were ...