E146: Safe Superintelligence raises $1B for new AI LLM; OpenAI hits 200M weekly active users for ChatGPT; Salesforce acquires Own company for $1.9B; ByteDance raises $600M for Dongchedi, valued at $3B; Anthropic’s Claude AI powers new Amazon Alexa; xAI’s | This Week in Pre-IPO Stocks | Podwise