E138: Tesla to invest $5B in xAI?, OpenAI launches SearchGPT, Wiz walks away from $23B Google deal, Klarna replacing 70 employees per month with AI, Revolut's $45B valuation surge, Cohere's $5.5B valuation boost, Goldman’s pre-IPO investment, Neuralink te | This Week in Pre-IPO Stocks | Podwise