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 ...

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 ...

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, ...

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.

Here is Grok 4.20 analyzing the Macrohard emulated digital human business. xAI’s internal project — codenamed MacroHard (a deliberate jab at Microsoft) — is explicitly building digital human emulators ...

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 ...