Core Insights - xAI has officially released Grok4, marking its fourth significant update since the launch of its first large model in 2023, with a tenfold improvement in reasoning capabilities compared to its predecessor [1][3] - Grok4 is touted as the "strongest AI model," surpassing human-level reasoning, although it raises concerns regarding safety and ethical implications within the industry [1][4] Model Specifications - Two versions of the model were introduced: Grok4 (single-agent) and Grok4Heavy (multi-agent), with the latter capable of parallel processing using four agents to tackle more complex tasks [2] - Grok4 has achieved perfect scores on the SAT and near-perfect scores on the GRE, demonstrating its advanced reasoning capabilities across various academic disciplines [2] Technological Advancements - The training of Grok4 utilized a supercomputer cluster with over 200,000 H100 GPUs, doubling the computational resources used for Grok3, and increasing the training volume by 100 times compared to Grok2 [3] - Grok4 outperformed other models such as OpenAI's o3 and Gemini2.5Pro in multiple assessments, showcasing its superior performance [3] Future Developments - xAI plans to expand its GPU capacity to 1 million in a new supercomputer being built in Memphis, Tennessee, and aims to release additional models and features throughout 2023 [4] - The release of Grok4 has sparked discussions in the tech community about the implications of pursuing extreme intelligence in AI, balancing innovation with potential risks [4][5]