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 ...

Grok and Claude are two of the most popular chatbots, each with unique strengths and capabilities. Despite being among the most controversial of all chatbots, Grok 4.1 is at the top of the LMArena ...

We look at Grok's latest models, AI agents, image and video features, controversies and what sets it apart from other major AI tools. Since its launch, it has transitioned through several upgrades.

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.