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As far as I know GPT 4 is more advanced. It can deliver information to a user more reliably and faster than before. Recently I saw an article that said many people will lose their jobs due to AI and the reality is pointing to that. If this AI can do all kinds of work then there is no need to hire manpower. If every organization eliminate its employee, it can have a boon effect on human life. Again I saw in one place that this Chat GPT has been banned. However, I haven't got a clear idea about this yet. But it is natural that technology will also develop with the change of era.
Technology always have shaped the jobs available.
Not many people are working these days copying books by hand, but that was a job at some point.
Also, many jobs will just continue, but probably be made easier by GPT.
For example, programming was really difficult in the beginning, you had to punch cards, then high level languages appeared, then stackoverflow appeared helping people, now programmers will use GPT instead of searching the web.
At the end of the day you'll need someone actually dealing with all the details for the job to be done. The intermediary steps will be made easier by GPT, so probably there would be less need for people, but still you need people to do things.