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 4.2 has no memory, so each prompt needs full context; use reasoning traces and source priority for clearer results.

Elon Musk's AI company, xAI, has launched a new agentic coding model named grok-code-fast-1, as it ventures into a new segment of the AI industry. The model is designed to autonomously handle ...

Here is Grok 4.20 analyzing the Macrohard emulated digital human business. xAI’s internal project — codenamed MacroHard (a ...