Musk: Grok 4.5, based on our V9 base model with 1.5 trillion parameters and supplemented with Cursor data during training, is now in internal testing at SpaceX and Tesla.
2026-06-28
Musk: Grok 4.5, based on our V9 base model with 1.5 trillion parameters and supplemented with Cursor data during training, is now in internal testing at SpaceX and Tesla.