BREAKING: Elon Musk confirms Grok 4.5 is now in private beta at SpaceX and Tesla.
• Early evals show performance close to, possibly exceeding Opus • Based on xAI’s 1.5T V9 foundation model • Trained with Cursor data added • Grok Build harness is getting better every day • New models trained from scratch will be released every month this year
The pace at SpaceXAI is absolutely insane.