[Musk Responds to Slow Progress on Grok Model Updates: V9 Training Just Completed, Expected Release in 3-4 Weeks] In response to questions about the 'slow progress of the Grok model,' Musk replied on the X platform, 'We are continuously improving the 0.5T Grok base model V8 (public version 4.3), with updates every few days. The 1.5T V9 model has just completed training, marking a major upgrade. Next, we will add Cursor data for supplementary training, followed by SFT and RL training. The release is expected in 3 to 4 weeks.'