I used to think Manus was just a shell company and not very useful; GPT was awesome. Until recently, when I needed to do some very detailed work, I used two websites and asked GPT 5.2 and Manus 1.6 to help me with the diagrams. The result was that GPT was very old-school, telling me it couldn't do it itself and that I had to pay for an API export. But Manus took just 5 minutes to finish the job, and the output was exactly what I wanted.