SpaceX releases Grok 4.6: Performance rivals Claude Fable 5, costs reduced by 85%. Musk teases Grok 4.7 will surpass all existing models. Grok 4.6 officially launched, offering cutting-edge intelligence with significant improvements over Grok 4.5 at the same price. Grok 4.6 scored 61 on the Artificial Analysis Intelligence Index, matching GPT-5.6 Sol and just behind Claude Fable 5 (62).