Today marks an exciting moment for the developer community as xAI officially introduces the Grok Voice Agent API, opening the door for anyone to build powerful, real-time voice agents with ease.

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 ...

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

As of May 2026, the AI tools builders rely on have evolved from passive assistants into active, code-executing agents capable of managing real-world tasks. With Grok 4.3's new agent tools API, ...

Elon Musk-funded xAI is skipping Grok 3.5 and releasing Grok 4 after Independence Day in the United States, and it could be the best model from the company. Grok 3.5 was originally supposed to be a ...