马斯克急了：Grok 4向全球所有用户免费开放

Core Viewpoint - xAI's Grok 4 has been made available for free to all users, coinciding with the recent release of GPT-5, indicating a competitive strategy in the AI market [5][8]. Group 1: Grok 4 Free Access - Grok 4 is now accessible for free globally, with a temporary "generous usage limit" set by xAI to encourage exploration of its capabilities [5][6]. - Users can utilize Grok 4 in automatic mode or expert mode, but the free version limits usage to five times every 12 hours, after which the app becomes completely unusable [10][12]. Group 2: User Reactions and Subscription Concerns - The announcement of Grok 4's free access has led to dissatisfaction among paid subscribers, who feel their $30/month and $300/month subscriptions are devalued [8][10]. - Users have expressed confusion regarding whether to cancel their subscriptions, but xAI has not provided a clear response to these inquiries [12][28]. Group 3: Product Updates and Features - Grok Imagine, a video generation service, has received updates, including video sharing capabilities and fixes for previous issues, responding to concerns over sensitive content [14][15]. - The upgraded Grok App now includes a mechanism for image review and feedback options, enhancing user experience [15]. Group 4: Performance and Limitations - Grok 4 demonstrated the ability to understand and respond to complex queries, but initially failed to deliver a code output until more specific instructions were provided [19][24]. - Despite its capabilities, Grok 4's performance has been met with skepticism due to its handling of controversial topics and xAI's lack of transparency regarding technical details [29]. Group 5: Industry Trends - The trend of offering AI services at lower or even free prices is becoming prevalent, with competitors like OpenAI also providing free access to their latest models [29]. - As AI technology matures, more companies may adopt affordable pricing strategies to expand their user base and achieve economies of scale [29].