evidence: Elon Musk held a Twitter Spaces event in early July to reveal X.ai, his newest AI business. X.ai researchers will focus on science, while also building applications for enterprises and consumers. [...] He joined the AI arms race in April when X.ai was founded, and the company purchased thousands of Nvidia GPUs. Musk noted then that researchers were working on TruthGPT, chatbot that was unencumbered by censorship, a counter-balance to chatbots being built by OpenAI, Google