不到48小时，xAI两位联合创始人相继离职

Group 1 - Jimmy Ba, co-founder of xAI, has left the company, stating it is time to recalibrate his perspective on the future, particularly highlighting the significance of the year 2026 [1] - Ba expressed gratitude towards Elon Musk and emphasized his commitment to maintaining a close relationship with the company as a friend [1] - Ba's departure follows a restructuring at xAI, where many of his core responsibilities were transferred to fellow co-founders Tony Wu and Guodong Zhang [2] Group 2 - Tony Wu also announced his departure from xAI, expressing nostalgia and gratitude towards the team and Musk for their trust in the mission [2] - Wu was a key figure in mathematical reasoning and symbolic AI at xAI, having previously worked at Google and OpenAI, and was responsible for the development of the Grok model's reasoning capabilities [3] - The company has experienced significant talent loss, with six out of twelve co-founders having left, five of whom departed within the past year [3] Group 3 - xAI recently completed a $20 billion funding round, with a post-money valuation exceeding $230 billion, attracting major tech investors like Nvidia and Cisco [4] - SpaceX completed a stock-for-stock acquisition of xAI, resulting in a combined valuation of $1.25 trillion, making it the highest-valued private company globally [4] - xAI faces regulatory challenges, particularly concerning compliance issues related to its Grok model, which has generated controversial content leading to temporary bans in several countries [4]