最新报道:Elon Musk's xAI has launched free access to its advanced Grok 4 AI model for a limited time, removing subscription requirements. The platform introduced Auto/Expert modes with a 5-request daily limit, upgraded PDF processing, and debuted free media generator Grok Imagine. This strategic move aims to expand xAI's user base while collecting engagement data, positioning the company as a leader in accessible generative AI. The initiative aligns with ecosystem growth through mobile apps and unrestricted media creation, though the timeline for transitioning back to paid service remains unclear, raising questions about xAI's long-term monetization strategy.