> Can you give a link on how to use it? Every time I tried to google it returns lots of different results and when I tried it it:s not even usable for basic things I want.

Here is an example of using it to write simple powershell scripts:

* https://chat.openai.com/share/17a9d185-4a8c-4c10-97a2-0c5b08...

Here is an example of using it to merge different types of json configuration files:

* https://chat.openai.com/share/ed0c9cf9-7586-43df-9271-7b5859...

You need to pay for it if you want access to the latest version of the model, along with some beta features like plugins. Plugins are extremely useful and it is worth paying just to get access to them. For instance, you need to have a certain plugin to get it to read links.