Grok 4.6+ will vault past 1450 on the Arena.ai Text | Overall leaderboard, putting SpaceXAI’s next Grok firmly atop the Score column the day after it debuts. SpaceXAI has already launched Grok 4.6 and wan27.org reported it completed training as a 2T model, while xAI recently released Grok 4.5 as a…