Grok 4正式发布！性能媲美GPT-5和Claude 4 Opus，史上最有“网感”的大模型？

Core Viewpoint - The release of Grok 4 by xAI marks a significant advancement in AI capabilities, featuring enhanced reasoning abilities and multi-modal functionalities, positioning it as a strong competitor in the AI landscape [2][4][6]. Group 1: Product Features - Grok 4 has a context window of 256,000 tokens, supporting more complex interactions and faster reasoning speeds compared to its predecessors [7]. - The subscription fee for Grok 4 is set at $30 per month, while the more advanced Grok 4 Heavy version costs $300 per month [5]. - Grok 4's reasoning ability has improved tenfold compared to earlier versions, making it capable of outperforming human reasoning in various subjects [4][7]. Group 2: Performance Metrics - Grok 4's performance is expected to be on par with GPT-5 and Claude 4 Opus, achieving top scores in benchmark tests against models like GPT-3, Gemini 2.5 Pro, and Claude 4 Opus [8]. - In the "Humanity's Last Exam" benchmark, Grok 4 achieved an accuracy rate of 26.9% in pure autonomous reasoning, setting a new industry record [10][11]. - However, Grok 4 scored only 16 points on the AGI-ARC-2 advanced reasoning test, indicating room for improvement in more challenging intelligence assessments [13]. Group 3: Market Position and Strategy - The launch of Grok 4 coincides with xAI's transformation period, following its merger with X to better develop and distribute Grok to a wider user base [19]. - Grok 4 includes a DeepSearch feature that allows it to extract real-time data from the internet, enhancing its understanding of internet culture, memes, and humor [15][16]. - The model is designed to attract "super users" seeking real-time search capabilities and intelligent coding support, similar to tools like GitHub Copilot [17]. Group 4: Controversies and Challenges - The release has been overshadowed by controversies regarding the platform's unfiltered "freedom of speech" approach, raising questions about its suitability for human interaction [20]. - The resignation of X's CEO Linda Yaccarino shortly before the launch has added to the uncertainty surrounding the platform [21]. - Some users have expressed concerns that Grok 4's technical achievements are being overlooked due to recent online controversies [22].