Grok4 is now completely free, and I have a good grasp of the machine. Just a few days after GPT5 was launched, Lao Ma suddenly made a move. Nowadays, the competition in AI is becoming increasingly fierce, and his moves are becoming more and more ruthless, forcing companies to iterate quickly. If they don't feel excited for a month or two, they are easily forgotten by the market. Of course, this also means that the large model API is getting lower and lower, which is beneficial for the vigorous development of various AI applications and Agnet.