马斯克 xAI 新模型 Grok 4.2 上线：通过“50 米外洗车店”测试，回答偏好高度贴合老马本人

Core Insights - The launch of Grok 4.2, a new AI model from xAI, has generated mixed reactions despite internal turmoil within the company [1][12] - Grok 4.2 features a parameter count of 500 billion, which is significantly lower than many contemporary models, leading to polarized user feedback [1][12] - Elon Musk has actively promoted Grok 4.2 on social media, emphasizing its potential for rapid improvement and self-iteration [2][18] Model Features - Grok 4.2 is designed to self-iterate weekly, allowing for continuous updates based on real-time feedback [3][8] - The model introduces a rapid learning capability, distinguishing it from previous static versions [8] - Users must manually select the beta version of Grok 4.2, as it is not set as the default [8] Market Reception - Initial feedback has been sharply divided, with some users praising its capabilities while others criticize its performance, particularly in complex logical reasoning tasks [12][13] - Some users speculate that Grok 4.2's performance may have been optimized in controlled environments, raising questions about its competitiveness against models from OpenAI and Anthropic [12] - Despite Musk's claims of Grok 4.2 being unbiased, some tests indicate a bias towards Musk's perspectives [13] Future Developments - Musk has indicated that larger versions of Grok 4.2 will be released in the future, following the initial 500 billion parameter version [18] - The company plans to continue weekly updates to enhance the model's performance and capabilities [18]