Elon Musk just confirmed that Grok 4.7 will arrive in 10 days. As he previously disclosed, the new model's parameter count jumps from Grok 4.6's 1.5T to 2.1T — roughly 2.1 trillion parameters. Initial training is already complete, and supplementary training is now underway using a large amount of SpaceX data.
Source: Musk's post