Elon Musk's startup xAI, launched in July 2023, aims to compete with OpenAI and has rapidly achieved a $50 billion valuation. The company has attracted top talent from firms like Google DeepMind and Microsoft. Its chatbot, Grok, offers features like web search and image understanding. xAI is expanding its supercomputer, Colossus, to enhance AI training. Key figures include Babuschkin, Wu, and Szegedy, all with significant backgrounds in AI and machine learning.