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 ...

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.

Have you ever wished for a tool that could seamlessly juggle your to-do list, draft a flawless report, analyze complex data, and even create stunning visuals, all in one place? Enter xAI’s Grok 4 AI, ...

Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for Grok 3.5 which was renamed Grok 4. We do not have elo lmarena score for Grok ...

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.

xAI has released Grok 4.3, its flagship reasoning AI model, now available via API, Vercel AI Gateway, and OpenRouter. The update introduces a 40% price cut, a 1M-token context window, and native video ...