Live News NEWS FLASH L impact Sep 21, 2026, 03:47 PM UTC SPACEXAI - SPACEXAI LAUNCHES GROK 4.7, TWICE AS FAST AT HALF THE PRICE OF COMPARABLE MODELS SquawkNews Desk 1 updates Updated Sep 21, 2026, 03:50 PM UTC Story updates 03:50:23 PM UTC SquawkNews SpaceXAI - SpaceX AI launches grok 4.7, twice as fast at half the price of comparable models.