I'm finding it spectacular for generating ideas. Ask it for "40 ideas for plugins I could build for Datasette" for example. The results are comparable to what I've seen from a meeting room full of humans for an hour, but GPT-4 generated them in less than a minute.
Really? I feel like if you have to ask what plugins to build you’re doing it wrong. You should know what plugins to build by being a user of Datasette and understanding its limitations for your self.
Once you have an AI to also prototype the plugin ideas, such an idea list may become useful. I've always seen that the owners of any product have more product improvement ideas than they could economically implement.