The "ChatGPT" web app started with the underlying model GPT-3.5
The predecessor models, a whole series of them collectively "GPT-3" but sold under API with names like "davinci" and "ada", was barely noticed outside AI research circles.
3 was useful, but you had to treat it as a text completion system not a chat interface, your prompt would have been e.g.
Press release
Subject: President announces imminent asteroid impact, evacuation of Florida
My fellow Americans,
Because if you didn't put "My fellow Americans," in there, it would then suggest a bunch of other press release subjects.
The "ChatGPT" web app started with the underlying model GPT-3.5
The predecessor models, a whole series of them collectively "GPT-3" but sold under API with names like "davinci" and "ada", was barely noticed outside AI research circles.
3 was useful, but you had to treat it as a text completion system not a chat interface, your prompt would have been e.g.
Because if you didn't put "My fellow Americans," in there, it would then suggest a bunch of other press release subjects.