Musk: Grok 4.5 in beta
Elon Musk announces Grok 4.5 is in private beta at SpaceX and Tesla, based on 1.5T V9 foundation model with added cursor data
Musk: Grok 4.5 Now In Private Beta At SpaceX And Tesla: Based On 1.5T V9 Foundation Model With Cursor Data Added In Supplemental Training – X Post