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 ...

Users of Grok, the artificial intelligence chatbot developed by Elon Musk's xAI, have repeatedly complained about service disruptions throughout 2026, with frequent "high demand" errors, temporary una ...

Elon Musk escalated tensions in the critical artificial intelligence race Thursday, asserting his most advanced AI model, Grok 4 Heavy, was already outperforming OpenAI’s newly launched GPT-5 two ...

Learn how to use Grok 4.3 in 2026 with this beginner's guide covering advanced workflows, task automation, and role-based ...

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 ...

Theo-gg who has been critical of XAI in the past, confirms that XAi Grok 4 is the top model. However, Grok 4 is slow and is not the best at coding yet. It is also expensive because of the volume of ...

What if the key to solving your most complex challenges wasn’t a team of experts, but a single, innovative AI? Enter Grok 4, a model that doesn’t just promise smarter assistance—it delivers it with ...

On Wednesday night, Elon Musk unveiled xAI’s latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company’s Grok chatbot began generating outputs that featured ...

AI has opened the beta of Grok Build, a command-line AI coding agent that runs on Grok 4.3, holds an entire codebase in working memory, and undercuts the stand ...

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.