xAI just changed the pace of the AI race. Grok 4.5 is in private beta at Tesla and SpaceX, built on a new 1.5T-parameter model — ~3x bigger than what runs Grok today. Early evals put it near Claude Opus level, and it trained on Cursor coding data. The real headline is the cadence: xAI plans to ship brand-new models from scratch every month for the rest of 2026. Monthly frontier models — can anyone keep pace? More at www.contentbuffer.com #AI #Grok #xAI #LLM #TechNews