I have been playing with GPT5 for about the last week and I am so excited to show you all of the tests that I've put it through. Yes, it is incredibly impressive. Let me show you.And by the way, we just updated Humanity's last prompt engineering guide. This is my team's very own prompt engineering guide updated for GPT5. It is completely free.I'll drop a link down below in the description. Check it out. Let me know what you think.Of course, first, can it solve the Rubik's Cube. Write a complete HTML JavaScr ...