Musk says Grok V9-Medium training is complete, release expected in 2-3 weeks

Elon Musk announced that training for the Grok V9-Medium (1.5T) foundational model is complete, with positive evaluation results. He explained that a large volume of Cursor data was used for supplementary training and that additional data will continue to be incorporated. The model is currently undergoing fine-tuning, with reinforcement learning scheduled to begin in the coming days. The official release is expected in two to three weeks.