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 ...

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, ...

Update: A day after this article was published, xAI unveiled Grok 4.1 access through its API for $0.20 per 1 input million tokens (or $0.05 for cached input) and output tokens at $0.50 per million, ...

xAI近日低调发布Grok 4.3版本，这款被外界视为过渡性的模型更新，却因务实的产品策略引发行业关注。相较于前代产品，新版本在成本控制、执行效率与工具集成方面实现显著突破，但核心推理能力仍落后于GPT-5.5和Claude Opus 4.7等头部模型。 价格策略成为Grok 4.3最直接的竞争武器。其API输入成本较前代降低40%至每百万Tokens ...

xAI added Grok 4 powered vending machine in its office, in partnership with Andon Labs. XAI Grok 4 beat OpenAI GPT-5 in real world vending machine operation This shows Grok 4’s long-term coherence ...